Solve the problems.On a biology test, a student got 25 questions correct but did not pass. On a second attempt, the student got 37 questions correct. What was the percent of increase?
A. 32.4%
B. 12%
C. 48%
D. 52%
Answer: C
Mathematics
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Perform the indicated operation.
? 
A. 1
B. - 
C. -x
D. x
Mathematics
Find the amount necessary to fund the given withdrawals.Semiannual withdrawals of $220 for 7 years; interest rate is 7.4% compounded semiannually.
A. $2370.60 B. $1335.22 C. $9521.29 D. $4774.15
Mathematics
Sketch the graph using a graphing utility.3x2 - 4xy + 3y2 - 2x + 5y = 10
A. 
B. 
C. 
D. 
Mathematics
If possible, solve each system by an algebraic method (substitution or addition method). Otherwise, state that the problem has no solution or an infinite number of solutions.-4x + 2y = -36y = -9 + 12x
A. (-4, 2) B. No solution C. Infinite number of solutions D. (0,0)
Mathematics