4x + 5x + 12 = - 6 (given)

9x + 12 = - 6 (simplify)

9x = - 18 (subtraction)

x = - 2 (addition)

Which reason is incorrect?

Find the value of this expression is x=-6. X2/x+3

The perimeter of a quilt is 34 ft. If the quilt is 8 ft ling, what is its area?

The sum of the measures of the angles of all triangles is 180 degrees. If one angle of the triangle measure 45 degrees. The measure of the other two angles is equal. What is the measure of the other two angles? Write an equation and solve

What value does the 6 represent in the number 2,485,671

An interior angle of a regular polygon has a measure of 120°. what type of polygon is it?

In the dryer there are 18 red socks, 24 white socks, 8 blue socks, and 10 black socks. Fred wants to have two matching socks to wear. He reaches into the dryer and without looking pulls out one sock at a time.

State whether each question below represents a proportional relationship. How can you tell? a. y = x + 2.3 b. y=6/13x c. 7-y=2x

Given that v = 5,-4,4) and w = 10,-27), evaluate you a 81 C. (45,8,28) b. 19 d - 40-16-8)

A target has 4 rings on it. How many different ways could two arrows be distributed on it.

How do you solve ... 3c^3d/9cd^-1