Solve the problem.On part of a scenic tour of underground caves, Dave and Neil started at an elevation of - 38 feet. They then rose 19 feet. What was their elevation at this point?
A. 19 ft
B. 57 ft
C. -57 ft
D. -19 ft
Answer: D
Mathematics
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, u = 3x + 6
A. 2
+ C
B. 
+ C
C. 
+ C
D. 
+ C
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Rationalize the denominator and simplify. Assume all variables represent nonnegative real numbers.
A. 
B. 
C. 
D. 3x
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Evaluate the expression for the given values of the variables.
for p = 40, and q = 8
A. 25 B. 175 C. 40 D. 160
Mathematics
Simplify.(-8x5y9)3
A. 512x8y12 B. -24x16y28 C. -512x15y27 D. -512x5y9
Mathematics