Find the sum of the three expressions and choose the correct answer. -2u3v + 5uv - 1 7u3v - 2u2v2 5u2v2 - uv + 6 A)5 u^3v + 3 u^2v^2 + 4 uv + 5 B)5 u^3v - 3 u^2v^2 + 4 uv - 5 C)-5 u^3v - 3 u^2v^2 + 4 uv + 7

Astore sells two types of radios. one type sells $87 and the other for $119. if 25 were sold and the sales were $2495, how many of the $87 radios were sold a) 5 b) 20 c) 15 d)10

When keisha installed a fence along the 200 foot perimeter of her rectangular back yard, she left an opening for a gate. in the diagram below, she used x to represent the length in feet of the gate? what is the value? a. 10 b. 20 c. 25 d. 30

*let m∠cob = 50°30’, m∠aob = 70° and m∠aoc = 20°30’. could point c be in the interior of ∠aob? why? a. point c could be the interior of aob but it is not the only case b. point c is the interior of aob c. point c is not the interior of aob d. the given is not possible for the plane geometry answer