I just need the answer if you don’t have a real answer but want to say something just comment it

Part a : solve -vp + 40 < 65 for v part b : solve 7w - 3r = 15 for r show your work .

Question: what is the value of x 4x-2= (-7) +5x. it would be greatly appreciated if someone could actually explain to me step by step

Select the margin of error that corresponds to the sample mean that corresponds to each population: a population mean of 25, a standard deviation of 2.5, and margin of error of 5%