Find the vertex of the parabola.f(x) = -2x2 + 5x + 1
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Solve the problem.How many posts does it take to support a fence around a square field that measures 135 yards on a side if posts are placed every 15 yards?
A. 10 B. 40 C. 37 D. 36
Mathematics
Solve the problem.
What is the current price per share of the ARGSX mutual fund?
A. $10.42 B. $9.45 C. $11.05 D. $10.25
Mathematics
One isotope of holmium, 162 Ho, has a half-life of 22 minutes. The half-life of a second isotope, 164 Ho, is 37 minutes. Starting with a sample containing equal amounts, find the ratio of the amounts of 162 Ho to 164 Ho after 42 minutes. ?
A. 0.5946 B. 0.5848 C. 1.7100 D. 1.6818 E. 24.5621
Mathematics
Simplify the complex rational expression.
A. 
B. 
C. 
D. 
Mathematics