What is one advantage of developing energy-efficient technologies?

If the legs of a right triangle are x, (2x - 1) and its hypotenuse is (2x + 1), what is the value of x? LINKING INTECHNICAL OBJECTS1 a) What is linking? Read the excerpt from "Ellis Island." Sometimes people's surnames were changed. Bietzy to Peachey. Hecht to Heck. Many Americans can point to the fact that their family names are different from their original spelling in the "old country." It is commonly thought that the clerks at Ellis Island misunderstood the names or decided to simplify them. Which is the best paraphrase of the text? a. Identify the type of reaction shown:Li + CaCl2 ---> LiCl + Ca rabe israel es sobres esdrjula Can someone plz help me with this one problem!!!! Why do you think that people that wanted to abolish slavery were upset with Lincoln's inaugural address? Limonene is an oil from oranges and lemons. Click on all the carbonatoms its structures that have a trigonal planar molecular geometry. An artificial reef is intended to affect the ocean ecosystem by A removing pollution from the water B providing shelter for marine organisms causing sediment to erode into deeper waters D preventing people from overfishing along the shore True or False: Photosynthesis can happen anytime, regardless of the amount of reactants present or the presence of sunlight. whats the theme of borders by thomas king I need help with this Carlos and Lily want to know the combined amount of money they made last week. They both made $12 per hour, but Carlos also made a $35 bonus. Carlos says the combined amount is 12C + 35 + 120 where Cis the number of hours he worked, and L is the number of hours Lily worked. Lily says the combined amount is 12(C+ L) + 35. Who is right? Explain. Please help me please Jeremy received a Bill with a balance due of 25.60 Help please- Ill luv you forever The markings on the number line are evenly spaced. Label the other markings on the number line. Estimate the sum or difference.7/8-1/5 Tom has a 4-sided spinner and the table below shows the probabilitiesthat when the spinner is spun it will land on 1, 3 and on 4Number1234Probability0.10.20.4The spinner is spun once.a) What is the probability that the spinner will land on 2?Il(1)b) Which number is the spinner least likely to land on?(1)c) If Tom spins the spinner 80 times, work out anestimate for the number of times the spinner will land on 3(2) The value of a car decreases by 5% each year. Sophie bought a car two years ago for 10000. Work out the value now.