Translate to an equation and solve. 45% of what is 72?
A. 0.63
B. 1600
C. 160
D. 63
Answer: C
Mathematics
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Find the number of divisors of the number.400
A. 16 B. 8 C. 12 D. 15
Mathematics
Write the fraction in lowest terms.
A. 
B. 
C. 
D. 
Mathematics
Give all solutions of the nonlinear system of equations, including those with nonreal complex components.y = 10
- 25y = x2
A. {(5, 25)} B. {(0, -25), (-5, 25)} C. {(5, 25), (-5, 25)} D. {(-5, 25)}
Mathematics
Find the exact value of the expression.cos
A. - 
B. 
C. 
D. 
Mathematics