Aplayground is rectangular in shape. the longer side of the playground is 400 feet. a walkway runs diagonally through the playground. the angle formed by the walkway and the shorter side of the playground is 53°. what is the perimeter of the playground? enter your answer, rounded to the nearest foot.

For the function, f(x) = -5x 2, find f(-4).

Which of these people has balanced their checkbook correctly? oa. gary: the balance in his check register is $500 and the balance in his bank statement is $500. b. gail: the balance in her check register is $400 and the balance in her bank statement is $500. c. gavin: the balance in his check register is $500 and the balance in his bank statement is $510.

Julia is going for a walk through the neighborhood. what unit of measure is most appropriate to describe the distance she walks?