Do y’all know when the Answer is for n 5+2(n+1)=2n

Prove that 3: 8 is equivalent to 12: 32.a. use diagrams to support your answer.

Which shows the correct solution of the equation 1/2a+2/3b=50, when b=30?

In the triangles, tr = ge and sr = fe. if = 3.2 ft, which is a possible measure of ? 1.6 ft 3.0 ft 3.2 ft 4.0 ft