Solve.On a biology test, a student got 25 questions correct but did not pass. On a second attempt, the student got 32 questions correct. What was the percent of increase?
A. 21.9%
B. 72%
C. 28%
D. 7%
Answer: C
Mathematics
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?If a = 27, what is a4? ?
A. ?108 B. 531,441 C. ?19,683 D. ?312 E. ?b only F. ?b and d
Mathematics
Write the exponential equation as an equation involving a logarithm.M? = 
A. log?M = 
B. logM
= ?
C. log?
= M
D. logM? = 
Mathematics
Solve the problem.Two tracking stations are on the equator 143 miles apart. A weather balloon is located on a bearing of 
from the western station and on a bearing of N12°W from the eastern station. How far is the balloon from the western station? Round to the nearest mile.
A. 143 miles B. 134 miles C. 180 miles D. 189 miles
Mathematics
Determine whether the statement is an expression or an equation.5x2 + 9x - 21
A. Expression B. Equation
Mathematics