Choose a method to solve the following system of equations. explain why you chose that method.
solve.
y = 2x + 7

y = -2x - 5

Could someone with number 1 and 2

Bring the fraction a/a-4 to a denominator of 16-a^2

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