Answer:
because the length is 4 feet more than the width
=> the length is x + 4 (feet)
because the base has an area of 21 square feet
=> x(x + 4) = 21
<=> x² + 4x = 21
F = kry
f/kr = y
y = f/kr
Answer: y = f/kr
*Hope that helps and enjoy Brainly:)
Answer:

Step-by-step explanation:
