Explain how to simplify this expression: (7a + 9) + (4a - 7).

The measure if two complenentary angles are (3x-5) degrees and (4x+11) degrees. what is x

A bundle of shingles is 12 inches high, if a shingle is 1/4 inch thick, how many shingles are in the bundle?

Two times a number plus three equals one half of the number plus 12. What is the number?

Are the functions linear or nonlinear? 1. y = 2x - 9 2. y = - 10.2 3. y = 3x2 + 7 4. 3x + 5y = 15

Alan took a math quiz last week. hw got 6 out of 8 problems correct. What percentage did Alan get correct?

Question 4: Two equations are shown: • Equation 1: 3/4 (x - 12) = 12 • Equation 2: 3/4y - 12 = 12 Solve each equation. Then, enter a number in each box to make this statement true. The value of x is: The value of y is:

What does 1.63*10 equal

F (x) = 4x-8 and g (x) = 5x+6, find (f+g) (x)

Keith is the leading goal scorer for a team in an ice hockey league. Last season, he scored 42 goals in 82 games.

Evaluate the expression below for x=1 y=-2 and z=3 3x-2y/z+4