It took marty 42 minutes to write a book report. then he spent 18 minutes correcting his report explain how you can use mental math to find out how long marty spent on his book report

Does anyone know how to solve and graph this: 4 + | a + 2 | < 7the only part i don't get is the "4 +"

Can somebody 1. what is the formula for finding the vertical distance between two points on a coordinate plane?

Frank is lending $1,000 to sarah for two years. frank and sarah agree that frank should earn a real return of 4 percent per year. instructions: a. the cpi (times 100) is 100 at the time that frank makes the loan. it is expected to be 113 in one year and 127.7 in two years. what nominal rate of interest should frank charge sarah?