Place parentheses, if needed, to turn this into a true statement.9 - 8 - 7 - 1 = -5
A. (9 - 8) - 7 - 1 = -5
B. No parentheses needed
C. 9 - (8 - 7) - 1 = -5
D. 9 - 8 - (7 - 1) = -5
Answer: D
Mathematics
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Compute the definite integral as the limit of Riemann sums.
A. 0
B. - 
C. 
D. - 
Mathematics
Solve the system. x + y + z = -6 x - y + 2z = 72x + y + z = -10
A. (-4, 3, -5) B. (-4, -5, 3) C. (3, -5, -4) D. (3, -4, -5)
Mathematics
We can often multiply and divide radicals with different indexes. For example:
?
?
Use this idea to write the following expression as a single radical.
?
?
A. 
B. 
C. 
D. 
E. 
Mathematics
Find a rectangular equation for the curve with the given parametric equations.x = 4 sin t, y = 4 cos t; for t in [0, 2?]
A. x2 + y2 = 16
B. y = 
= 16
C. y = x2 - 9
D. y2 - x2 = 16
Mathematics