Im having a difficult time trying to do this question can anyone please help me?

Sadie computes the perimeter of a rectangle by adding the length, l, and width, w, and doubling this sum. eric computes the perimeter of a rectangle by doubling the length, l, doubling the width, w, and adding the doubled amounts. write an equation for sadie’s way of calculating the

Find the balance at the end of 4 years if 1000 is deposited at the rate of

Acar travels at an average speed of 52 miles per hour. how long does it take to travel 299 miles