21. If RC = 5x - 14, ET = 2x + 7, RE = 3x - 1, and
EC = x + 2 find the perimeter of RECT.

Brent needs to paint a logo made using two right triangles. the dimensions of the logo are shown below. what is the difference between the area of the large triangle and the area of the small triangle? (1 point) select one: a. 4.5 cm2 b. 8.5 cm2 c. 16.5 cm2 d. 33.0 cm2

Jacks bank statement shows an account balance of -$25.50. which describes the magnitude, of size, of the debt in dollars

Someone this asap for a group of students attends a basketball game. * the group buys x hot dogs at the concession stand for $2 each. * the group buys y drinks at the concession stand for $3 each. the group buys 29 items at the concession stand for a total of $70. how many hot dogs did the group buy?