Simplify this expression.

4 (9n-9)

a. - 10n+20

b. - 10n+19

c. 36n-36

d. - 8n+56

Given: m∠XPZ = 40°; m∠XPY = 10° If ∠XPW and ∠XPY are supplementary angles, then what is the measure of ∠XPW

Which equation is an identity? 8 - (6v + 7) = - 6v - 1 5y + 5 = 5y - 6 3w + 8 - w = 4w - 2 (w - 4) 6m - 6 = 7m + 9 - m

The function representing David's miles per month is f (m) = 115m + 5. What does the 115 represent?

Are these equations discrete or continuous? 1. f (x) = 200x-49.95 2. f (x) = 99+.50x 3. f (x) = 500-60x 4. f (x) = 500+60x 5. f (x) = 18+5x 6. f (x) = 13+3x 7. f (x) = 40-3.5x 8. f (x) = 200-49.95x 9. f (x) =.50x-99 10. f (x) = 15+0.4 11.

a manufacturer of spiral notebooks randomly checked a box of 500 notebooks and found that 8 had defects. If the manufacturer produces 2000 notebooks per day, how many defective notebooks can be predicted in their daily production

Nicholas buys 3/8 pounds of cheese he puts the same amount of cheese on three sandwiches how much cheese does Nicholas put on each sandwich

Are parallelograms sometimes, always or never squares?

Which of the following is equal to the product of 2 and 1/4?

What Is ... ? (System Of Equations) Y=x+4 Y=3x+12

there are a total of 10 pigs and ducks in the barn. there are 36 legs in all all each pig has four legs and each duck has two legs, use substitution to solve the linear system of equations and determine how many pigs x and ducks y there are express