Solve the problem.Write 420 out of 500 college students as a decimal and as a percent.
A. 0.84, 84%
B. 0.84, 840%
C. 8.4, 840%
D. 0.84, 8.4%
Answer: A
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Solve the problem.A runner is competing in an 8-mile race. As the runner passes each miles marker (M), a steward records the time elapsed in minutes (t) since the beginning of the race, as shown in the table. What is the runner's average speed over the first 3 miles? Round your answer to four decimal places.
A. 0.0862 miles/min B. 14.3266 miles/min C. 0.0649 miles/min D. 0.0698 miles/min
The letters x and y represent rectangular coordinates. Write the equation using polar coordinates (r, ?).y = 5
A. sin ? cos ? = 5 B. r sin ? = 5 C. r cos ? = 5 D. r = 5
Find the set of possible rational zeros given the function.f(x) = 14x7 + 56x3 + 2x - 7
A. 
B. 
C. 
D. 
Solve the equation using the quadratic formula. Simplify irrational solutions, if possible.x2 + 7x + 3 = 0
A. 
B. 
C. 
D. 