Hi, need assitance with this aasigment Math. Thank you

Quiz 2 1. Solve for the variable: a. b. c. d. e. 2. 3(a3) = 15 6x - 12 = 8 -x/7 - 10 = 11 Solve2y 3x = 9 fory. Solve5y + 3x + 10 = 0 fory. If 57% more of a quantity is 169.1, what is the quantity? 3. A statistician is collecting data to help her estimate the number of pickpockets in a certain city. She needs 563 pieces of data and is 24 percent done. How many pieces of data has she collected? 4. Solve the inequalities for the following exercises. Express solution set using interval notation, and graph the solution set on a number line a. 4(5x + 12) + 2