First year of high school heh need a little help

Write a function that matches the description. a cosine function has a maximum of 5 and a minimum value of -5. f (r) =

Multiply. write your answer in simplest form. 3/8 x 5/7

Apool measures 100 meters by 100 meters a toddler inside the pool and trows a ball 60 centimeters from one edge of the pool.how far is the ball from the opposite edge of the pool