Simplify the radical expression. Assume all variables represent nonnegative real numbers.
A. xy
B. xyz
C. x
D. xy
Answer: A
Mathematics
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Use INTERSECT to find the solution to the equation. Round to two decimal places, if necessary.3(x - 2) = 5(x - 3)
A. x = 4.5 B. x = -0.5 C. x = 0.5 D. x = -4.5
Mathematics
Determine the constant of variation for the stated condition.t varies jointly as r and s, and t = 72 when r = 60 and s = 30.
A. k = 
B. k = 30
C. k = 
D. k = 25
Mathematics
Find the difference.
- 
A. - 
B. -4
C. - 
D. 
Mathematics
Evaluate the expression.8 ? [4 + 6 ? (5 + 6)]
A. 560 B. 880 C. 876 D. 98
Mathematics