Find the square root. If it is not a real number, say so.
A. 0.08
B. 0.004
C. 0.4
D. 0.04
Answer: C
Mathematics
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Evaluate the expression when x = 5, y = -2, and t = 8.
A. 
B. 
C. - 
D. 
Mathematics
Sketch D and g(D) from the description of D and change of variables 
x = u2 - v2, y = 2uv where D is the rectangle 0 ? u ? 1, 0 ? v ? 1
A.
 ? |  |
B. None of these.
C.
 ? |  |
D.
 ? |  |
Mathematics
Graph the system of linear inequalities and indicate the solution set.2x + y ? 4 x - 1 ? 0
A. 
B. 
C. 
D. 
Mathematics
At one high school, students can run the 100-yard dash in a mean of 15.2 seconds with a standard deviation of 0.9 seconds. The times are very closely approximated by a normal curve. Rounding to the nearest tenth of a percent as necessary, find the percent of times that are:Greater than 13.4 seconds
A. 97.5% B. 98% C. 84% D. 2.5%
Mathematics