Mhanifa please help! This is due soon

Twice the sum of a number and 4 is equal to three times the difference of the number and 7. find the number.

If f(x)=x+7 and g(x)=1/x what is (fog)(x)

Fill in the blank 1. a rhombus is a rectangle a) always b) sometimes c) never 2. a square is a quadrilateral a) always b) sometimes c) never 3. a trapezoid is a kite a) always b) sometimes c) never 4. a quadrilateral is a kite a) always b) sometimes c) never 5. a square is a rhombus a) always b) sometimes c) never 6. a parallelogram is a rectangle a) always b) sometimes c) never