An investment of $1000 you made four years ago was worth $1200 after the first year, $1200 after the second year, $1500 after the third year, and $2000 today, a. compute the annual rate of return
b. calculate the mean and the median of the rate of return
c. compute the geometric mean

Afurniture manufacturer produces chairs and sofas. each chair requires 10 yards of fabric, and each sofa requires 20 yards of fabric. the manufacturer has 300 yards of fabric available. to fulfill orders, the number of sofas must be at least twice the number of chairs. let x be the number of chairs and y the number of sofas. which inequalities are described in the problem? check all of the boxes that apply

Can someone pls ! pls answer all. no explanation needed..

You're locked out of your house. the only open window is on the second floor, 25 feet above the ground. there are bushes along the edge of the house, so you will need to place the ladder 10 feet from the house. what length ladder do you need to reach the window?