Evaluate.5x2, for x = 4 and x = -4.
A. 80, 80
B. -80, 80
C. 80, -80
D. 400, 80
Answer: A
Mathematics
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Because of a heavy spring runoff, the shoreline of a lake increased from 10.0 miles to 13.8 miles. What was the percent of increase in the shoreline?__________ %
Fill in the blank(s) with the appropriate word(s).
Mathematics
Provide an appropriate response.Find integers m and n such that mn = 15 and m + n = 8.
A. 5, 8 B. -5, 3 C. 5, 3 D. -5, -3
Mathematics
Solve the rational equation.
- 
= 
A. 6
B. - 
C. 
D. 
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Solve the problem.What is the ratio of the surface areas for a pair of similar hemisphere when the ratio of the radii is 3 : 4?
A. 9 : 16 B. 3 : 4 C. 27 : 64 D. Not enough information given
Mathematics