Factor Completely: x2 - 81

A. (x-9) (x+9)

B. (x+9) (x+9)

C. (x-9) (x-9)

D. (9-x) (9+x)

Which expression represents the composition [f. g] (x) for the functions below? f (x) = 2x + 3 g (x) = x-6 2x-9 O 2x - 3 2x - 15 O 2x2 - 9x - 18

4 (-2x-5) + 8=8x+4 what is the value of x

What is the same mixed number as 3 2/7?

Karen wakes up at 6:00 a. m. It takes her 1 1/4 hours to shower, get dressed, and comb her hair. It takes her 1/2 an hour to eat breakfast, brush her teeth, and make her bed. At what time will she be ready gor school

Find f (-2) f (x) = 9x^2-5x+2

Which solid has Only flat surfaces

Dion ordered some coins for his arcade. The coins had a circumference equal to 8.8 centimeters. what is the diameter of the coins that dion ordered?

What is the solution to the equation? 2•+10=28

Verify each trigonometric equation by substituting identities to match the right hand side of the equation to the left hand side of the equation 4. sine of x divided by one minus cosine of x + sine of x divided by one minus cosine of x = 2 csc x

Write a word problem in which you multiply a fraction by a number greater than 1. Estimate the product, then compare the product to your estimate.