20÷2 (5+5)= what is the answer and breakdown?

If x = -2, then x 2-7x+10 equals a. 0 b.20 c.28

If you prove that ∆wxz is congruent to ∆yzx, which general statement best describes what you have proved?

Find the percent cost of the total spent on each equipment $36, fees $158, transportation $59 a. 14%, 62%, 23% b. 15%, 60%, 35% c. 10%, 70%, 20% d. 11%, 62%, 27%