Solve the problem.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. 80%
B. 20%
C. 16.7%
D. 5%
Answer: B
Mathematics
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Solve the problem.The area A = ?r2 of a circular oil spill changes with the radius. At what rate does the area change with respect to the radius when
A. 81? ft2/ft B. 9? ft2/ft C. 18 ft2/ft D. 18? ft2/ft
Mathematics
Find the limit.(9x - 4)
A. -13 B. -5 C. 13 D. 5
Mathematics
Each number below is the number of miles the Hoover family has driven in a week. Determine the frequency of the class interval for this data. Miles Driven
A. 4 B. 5 C. 2 D. 3
Mathematics
Solve. =
-
A. 9 B. -9 C. 2, 9 D. empty set solution
Mathematics