Which of the following is the equation for a circle with a radius of r and center at (h, k)

The perimeter of a rectangular lot of land is 436 ft. this includes an easement of x feet of uniform width inside the lot on which no building can be done. if the buildable area is 122 ft by 60 ft, determine the width of the easement. select one: a. 9 feet b. 18 feet c. 4.5 feet d. 7 feet

Which number line correctly shows 0.8 + 0.3?

How can i differentiate this equation?