Arectangle has a length of x and a width of 6x^3 + 7 − x^2. find the perimeter of the rectangle when the length is 5 feet. a. the polynomial that models the perimeter of the rectangle is b. the perimeter is feet.

Ten members of balin's soccer team ran warm ups for practice. each member ran the same distance. their combined distance was 5/6 of a mile. to find the distance that each member ran, balin wrote the expression below.

Which figures are polygons? select each correct answer. figure a figure b figure c figure d

Shirley spelled 12 of her 15 spelling words correctly on the test. what percentage did shirley get on the test?