Use the distributive property to write without parentheses.- (3x + 3y)
A. 3x + 3y
B. 3x - 3y
C. -3x + 3y
D. -3x - 3y
Answer: D
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Use the pH scale to answer the question.If the pH of a solution increases by 2, how much does the hydrogen ion concentration change? Does the change make the solution more acidic or more basic?
A. Decreases by a factor of 100; more basic B. Increases by a factor of 20; more acidic C. Increases by a factor of 100; more acidic D. Decreases by a factor of 20; more basic
Solve.Susan purchased a painting in the year 2000 for 
. Assuming an exponential rate of inflation of 2.2% per year, how much will the painting be worth 5 years later?
A. 
B. $9176.03
C. $7812.90
D. $4891.02
Factor as completely as possible. If unfactorable, indicate that the polynomial is prime.18x2 - 63x - 36
A. 9(2x + 1)(x - 4) B. (18x - 9)(x + 4) C. prime D. 9(2x - 1)(x + 4)
Find the perimeter of the polygon described. Answer the question with a sentence.Karen's patio is in the shape of the trapezoid shown. What is the perimeter of the patio?
A. The perimeter of the patio is 312 m B. The perimeter of the patio is 43 m C. The perimeter of the patio is 30 m D. The perimeter of the patio is 80 m.