What is the solution set for the inequality, 4(p-3)-12p > or = 36

Math i have no idea how to do a and b

Robin spent 25% more time on his research project than he had planned he’s been an extra h ours on the project which of the following expressions could represent the number of hours rob actually spent on the project

Atown has a population of 12000 and grows at 3.5% every year. what will be the population after 7 years, to the nearest whole number?