A zoo has 65 birds now. It adopted 17 new birds last week. How many birds did the zoo have before it adopted the new birds? Write and solve an equation. Then write the answer.

3x + 4y = 5 x- 3y = -7 solve by substitution

Jenny earned a 77 on her most recent test jenny score is no less then 5 points greater then 4/5 of terrance’s score if t represents terrance score which inequality represents the situation

Mackenzie needs to determine whether the rectangles are proportional. which process could she use? check all that apply.