Solve for x it is a parallelogram please help

Maria donates a fixed amount, a, to a charity each month. if she donates $300 in 12 months, what is the equation for a? a. a + 300 = 12 b. a × 300 = 12 c. a × 12 = 300 d. a + 12 = 300 e. a + 32 = 100

If square root x = -7, then x= -49 true or false

Solve the following inequalities and show the solution on a number line. 3/4 (2x-7) ≤ 5