Expressions

Evaluate:
(-6)² + 5(3x - 4) - 7

• 15x + 9
• 8x - 63
• 15x - 63

Evaluate: 5x(3 - 4) - (3x + 8)

• 32x - 8
• -8x - 8
• -8x + 8

Simplify:
-2.4x (4.1 + 13 - 3.9)

• 31.68x
• -3.6
• -31.68x

Evaluate:
13x - 2xy +3(21-x)
x=4 y= -3

• 127
• 151
• 10x -2xy +63

Find the perimeter of a square with a side length of -2(4x-9x)

• 10x
• 40x
• -26x

Translate the following expression
1/2 the sum of a number and 12

• 1/2x +12
• 12x ÷ 2
• 1/2 (x+12)

Which phrase represents (x-4) ÷ 2

• Half of the difference of a number and x
• the difference of 4 and a number multiplied by 2
• the difference between 4 and 2 divided by a number

T shirts are being sold for 20% off of the original price, x. Which expression shows the price of the t shirt?

• 20x
• x- .20x
• .20x + 20