15 Simplity 4r + Sx + Sr - 3r by collecting like terms. plizz

Which graph represents the parent function of y=(x+2)(x-2)

*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

How can writing phrases as algebraic expressions you solve problems?