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What does this symbol thingy tell us to do (music)

Work out (5 x 10^3) (9 x 10^7)Give your answer in standard form. whats the permiter and area of this triangle will mark brainleist? the pounds p of the flour and how many cakes c you can make What are the three types of isolating mechanism that favor reproductive isolation and speciation? (you, lock, always)..... the door when you leave wind: converts mechanical energy of ______________ into electricitywindthe Sunwatersteam Judge made laws are known as The cells of both unicellular and multicellular organisms carry out life processes. With respect to life processes, what advantage do multicellular organisms have over unicellular organisms? 1) Their cells reproduce more quickly. 2) Their life processes occur over a shorter time period. 3) Their cells can specialize in certain functions. 4) Their cell division is more efficient. A parabola with an equation of the form y=ax^2+bx+c has the point (3, 1) as its vertex. If (1, 3) also lies on this parabola, which of the following is another point on the parabola? A. (2, 6) B. (3, 1) C. (5, 3) D. (2, 2) E. (1, 3) True or False. Chemical changes only rearrange the elements that arealready present.True or False. The reactants and the products of a chemical equationalways have the same number of atoms. Reparte 280 euros entre 3 personas, de forma que la 1 reciba el triple que la 2 y esta el doble de la3 Is this a rational number Of the males surveyed, what proportion selected small T-Shirt size Based on the context of the except, what does the word protracted most clearly mean? answers in picture I went for a walk the other day. I went four blocks east, then seven blocks south, then one block west and finallyeight blocks northa.What distance did I travel?b. What's my displacement? Please can you explain Circumference = What is another way to write this? 2x + 3 = 23 steps for x? Which of the following is another way of expressing 4 out of 5 Increase 3.20 in the ratio 2:3Please show your working out (/formulae).