A student was asked to use the formula for the perimeter of a rectangle, P = 2ℓ + 2w, to solve for ℓ. The student came up with an answer, P − 2w = 2ℓ. What error did the student make? Complete the explanation. Then solve for ℓ.

In trapezoid klmn, kj=19.2 and jm=22.5. identify ln.

If x = 12 and y = 3, what is the value of x - y 2? 81 6 3 18

Fiona races bmx around a circular dirt course. if the radius of the course is 70 meters, what is the total distance fiona covers in two laps of the race? a. about 30,772 meters b. about 15,386 meters c. about 879.2 meters d. about 439.6 meters e. about 219.8 meters23 points hurry