Find fraction notation for the percent notation in the problem.Sales of a particular product increased 31% over last year's sales of the product.
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Multiply and simplify.
? 
A. x3y6
B. x3y6
C. x3y7
D. x3y4
Mathematics
Write and solve an equation to find the percent increase or decrease. Round your answer to the nearest tenth of a percent, if necessary.On a biology test, a student got 25 questions correct but did not pass. On a second attempt, the student got 30 questions correct. What was the percent of increase?
A. 16.7% B. 20% C. 80% D. 5%
Mathematics
Find the angle between vectors v and w. Round the answer to the nearest tenth of a degree.v = 
, w = 
A. 34.5° B. 145.5° C. 55.5° D. 101.9°
Mathematics
Use synthetic division to determine whether x - c is a factor of the given polynomial.3x3 - 25x2 + 13x + 105; x - 7
A. Yes B. No
Mathematics