Write a compound inequality that represents the situation. all real numbers that are greater than –6 but less than 6

a. –6 < x < 6

b. –6 ≤ x ≤ 6

c. –6 < x ≤ 6

d. –6 ≤ x < 6

What is the rule for reflection across the y axis

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

What is the ratio for the surface areas of the cones shown below, given that they are similar and that the ratio of their radil and altitudes is 4: 3? 23