Larry charged his new iWatch to his Visa Card. The watch cost him exactly 400 dollars. His Visa charges him 10% interest compounded monthly. How much will he owe on his watch if he doesn't pay it back for 3 months?

Logan wants to know how many skateboards have defective parts. he inspects 20,000 skateboards and keeps track of the number of defects per board. use his probability distribution table to find the expected value for defects on a skateboard.

For the following geometric sequence, find the recursive formula. {-80, 20, -5, } i need : ')

What is the axis of symmetry of the function f(x)=-(x+ 9)(x-21)