What is the value of 43 = 23? 2 7 8 16

Can someone me with this problem . show your work .

Who long does it take to drive 150 miles at 45 miles per hour

Fred and gene are hang gliding. fred is 700 feet above the ground and descending at 15 ft/s. gene is decending as shown in the table. interpret the rates of change and initial values of the linear functions in terms of the situations they model. show all work. freds equation is f(x)=-15x+700. ( genes is the table attached)