The equation below can be used to find h, the number of hours it will take abbott and costello to prepare dinner. h/6 + h/18 = 1 how many hours will it take them to prepare dinner? -1 1/2 -4 1/2 -6 -9 == hailey, a chemistry student, is measured samples of a metallic substance for an experiemnt on density, using a balance that measures to 1/10 of a gram. which is the most accurate measurement based on the limitations of the balance that might be found in her recorded data? -9/01 grams -9.2 grams -9.24 grams. -9.244 grams. == students were asked to write a formula for the length of a rectangle by using the formula for its perimeter, p = 2l + 2w. three of their responses are shown below. i. l= 1/2p - w ii. l=(p - 2w) iii. l= p-2w / 2 which responses are correct? - i and ii - ii and iii - i and iii - i, ii, and iii == the first two should be switched, the first question asked is #14 and the second one asked is #13, the last one is #18 i really need with these questions, but if you have all the answers just so i can check my other answers that will be great < 3 i will give brainliest to the person who gives all the right answers (either to the three i asked or all 19 questions, excluding #12 which i have on my own : 3) i know thats alot to ask for but i really, really, need to pass this class so me!