Which sentence does not belong with the other 3?

A.) x + 12 = 12 + x

B.) 7h = h ∙ 7

C.) 1 + a = a + 1

D.) n : 2 = 2 : n

A student performed the following steps to find the solution to the equation x2 - 2x - 8 - 0. Where did the student go wrong? Step 1. Factor the polynomial into (x-4) and (x - 2) Step 2. x-4 = 0 and x - 2 = 0 Step 3. x = 4 and x = 2

Mr. Horn had a sheet of plywood that measured 84 inches long and 65 inches wide. He sawed th sheet of plywood in half. What was the area of each sheet of plywood in square inches?

How do I evaluate (5+-30*) - 2 (-30-4) - 30+23

7 * 68 how do you solve using the distributive property?

2 thousands 7 tens x 100

What is the height of a triangle whose base is 8.6 centimeters and whose area is 79.12 square centimeters? round to the nearest tenth

Tanya likes to take walks around the pentagonal garden at her local park. The garden on the left has congruent sides. If Tanya starts at one vertex of the pentagon and walks all the way around the garden, how far has she walked in total?

The surface area of a rectangular prism is found using the formula SA = 2 (lw + lh + wh), where l is length, w is width, and h is height. What is the surface area (in square meters) of a rectangular prism with length 5 m, width 12 m, and height 6 m?.

If you are given the graph of h (x) = log Subscript 6 Baseline x, how could you graph m (x) = log Subscript 6 Baseline (x + 3) ?

Solve: y=-3x+5 5x-4y=-3