Mary works for a company that ships packages and must measure the size of each box that needs to be shipped. Mary measures a box and finds the length is 7

1

2

inches, the width is 14 inches, and the height is 15 inches. What is the volume of the box? [Type your answer as a number.]

cubic inches

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

With this one. will mark brainliest

What is the value of the discriminant of the quadratic equation -2x = -8x + 8 and what does its value mean about thenumber of real number solutions the equation has?