Hurry! what is the solution to this equation? 3(a−4)+1=9−a a = 3 a = 5 a = 6 a = 10

To solve the system of equations below, grace isolated the variable y in the first equation and then substituted into the second equation. what was the resulting equation? 3y=12x x^2/4+y^2/9=1

21 a stick 7 inches long is broken into two pieces, so that one piece is twice as long as the other one. how long are the two pieces?

Which term applies to agb and dge? a. obtuse b. supplementary c. complementary d. vertical