What is 3(g-7)=2(10+g)

Plz ( true - false) all triangles have interior angles whose measure sum to 90.

Astocks price gained 3% in april and 5% in may and then lost 4% in june and 1% in july during which month did the stocks price change the most

If 5x - 2 = -12, then x = a) -50 b) -4.4 c) -2.8 d) -2