Find the probability.A student will take a 12-question "true or false" test. If he must guess on every question, what is the probability that he answers 10 questions correctly?
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Test the vector field F to determine if it is conservative.F = 
i + zex+yj + ex+yk
A. Not conservative B. Conservative
Mathematics
Add or subtract. Assume all variables represent nonnegative real numbers.
- 7
- 5
A. -12
B. -12
C. -64
D. -64
Mathematics
Solve.y2 = x + 7x + 3y = 21
A. (9, 4), (42, -7) B. (21, 0), (-7, 0) C. (9, 4) D. (9, -4), (-7, 0)
Mathematics
Find the equation of a line with the given slope and y-intercept.Slope 0, y-intercept (0, 4)
A. x = 4 B. y = 4x C. y = 4 D. y = 0
Mathematics