Answer:
(3 + 4 + 5 + 7 + 10 + 12 + 15)/7 = 8
(3^2 + 4^2 + 5^2 + 7^2 + 10^2 + 12^2 + 15^2)/7 - 8^2 = 17.14285714
Rhiana because she had the least amount of time
The other person did not explain so I will:
(68+79+74)= 221/3 =73.7
80 x 4 = 320
320-221 = 99
He must get 99 on his 4th test.
Thanks
A square is a rectangle and a rhombus therefore the properties of parallelograms, rectangles, and rhombuses would all apply to a square. Meaning they must have parallel <span>sides as well as opposite angles that are </span>congruent <span>and consecutive angles that are supplementary.</span>
