What values for a, b, and c will make the following equation true? ax2 + bx + c = (x + 1)(2x - 7)
A.
a = 2, b = -5, C = -7
B. a = 2, b = -9, C = -8
c. a = 3, b = -7, C = -6
D. a = 3, b = -14, C = -7

Simonne used the following steps to simplify the given expression. 12 - 3(-2x + 4) step 1: 12 + (–3)·(–2x) + (–3)·(4) step 2: 12 + 6x + (–12) step 3: 12 + (–12) + 6x step 4: 0 + 6x step 5: 6x what property of real numbers was used to transition from step 3 to step 4? a. identity property of addition b. inverse property of addition c. associative property of addition d. commutative property of addition

If 30 lb of rice and 30 lb of potatoes cost ? $27.60? , and 20 lb of rice and 12 lb of potatoes cost ? $15.04? , how much will 10 lb of rice and 50 lb of potatoes? cost?

Which linear inequality is represented by the graph?