with respect to air the refractive index of ice is 1.31 and that of rock salt is 1.54 calculate the refractive index of rock salt with respect to ice​

GHI Corporation, a California corporation, has a six-person board. At a regular board meeting, only two directors attend. No notice was sent to any of the directors. The two attending call directors Alice and Bob and put them on a conference call. The four talk about the corporation buying Blackacre and then all agree to a resolution for GHI to buy Blackacre from Third Party. The Bylaws of GHI state that an action of the board requires the consent of a majority of the directors present at a meeting, and that a quorum is a majority of the authorized directors.Select one:a. the purchase is authorized because a quorum was present and a majority of those present approved the action.b. the purchase is not authorized, since all real estate transactions require shareholder approvalc. the purchase is not authorized because prior written notice must be sent to each directord. the purchase is not authorized because a quorum was not present at the board meetinge. Two of the above are correct. Simplify the expression Rewrite the equation by completing the square.x^2 + 7x + 12 = 0 21(2-y)+12y=44 find y state wether the product of 3 and 9 is rational or irrational. explain your answer WILL MARK BRANLIESTWhen describing a rotation, whatinformation must you include? Please help me!! Perimeter: about ______ ft squared Area: about ________ ft squared How fast much an 816kg Volkswagen travel to have the same momentum as (a) a 2650kg Cadillac going 16.0 km/h? (b) a 9080-kg truck also going 16.0 km/hr? Two different enzymes catalyze the same reaction and both exhibit the same Vmax. When Enzyme A was run with a 40 uM substrate, the initial rate (Vo) was 10 uM/min, and when g it was run with a 4 mM substrate, the Vo was 20 uM/min. Estimate the approximate Vmax and Km of Enzyme A. When Enzyme B was run with 80 uM substrate, the initial rate (Vo) was 10 uM per minute. Estimate the Km of Enzyme B. Plzzz help me with this one Question 7 of 25Which structure is used by the organism to see the outside world? mow much would 600$ invested at 8% interest compounded continuously be worth after 3 years? The sum of the first eight terms in a Geometric Series is 19680 and the sum of the first four terms is 240. A) Find the first term. B) Find the common ratio. C) Justify your answers by showing steps that demonstrates your answers generate S8=19680 and S4=240. Given that yx is a diameter of V, find mZVX if mYVZ=(15r -1)", mWVX =(8x- 2).mUVW =(7x +15).and mYVU = 3x + 5).A 32B 45C 70D. 134 Express the following repeating decimal as a fraction in simplest form. D and E are points on sides AB and AC respectively of triangle ABC such that DE || BC. If AD = x-1, DB = x 3, AE = x + 3 and EC = x , the value of x is: The history of chocolate began (11) _______- three and a half thousand years ago . At that time, people in the Amercas (12) ____ as the Mayans and the Aztecs grew the beans and made chocolate drinks (13) _____them. Around 1500, christoppher columbus Project Management Practice ProblemBraggs Bakery is building a new automated bakery downtown Sandusky. Here are the activities that need to be completed to get the new bakery built and the equipment installed. ACTIVITYPREDECESSORNORMAL TIME (WEEK)CRASH TIME (WEEK)EXPEDITING COST/WEEKA-963000BA853500CA15104000DB,C532000EC1062500FD,E215000Hint: I have directly provided the crashing cost per unit time.a. What is the normal project length?b. What is the critical path in this project?c. Which activity will you choose to crash first to reduce the duration of the project by one week?d. What is the project length if all activities are crashed to their minimum?e. What is the slack for activity D? 9 What is the volume of the cone below? * 267.95 in3 33.49 in3 133.97 in3 Why is the history of Psychology important???