Simplify the radical expression. Assume all variables represent nonnegative real numbers.
A. -4
B. 4
C. -16
D. Not a real number
Answer: D
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Find the limit of the sequence if it converges; otherwise indicate divergence.an = 
A. 1
B. 0
C. 
D. Diverges
State whether the equation is a conditional equation, an inconsistent equation, or an identity.0.1m - 6.5 + 6.6m = 3.2 + 6.7m - 9.7
A. Conditional equation B. Inconsistent equation C. Identity
Solve problems using a calculator.A high-speed train traveled a distance of 668 miles in 2.5 hours. What was the train's average speed in miles per hour? (Round to the nearest whole number, if necessary.)
A. 267 miles per hour B. 249 miles per hour C. 275 miles per hour D. 238 miles per hour
Determine whether the variation between the indicated quantities is direct or inverse.The time it takes to drive 100 miles and the speed at which you drive
A. Direct B. Inverse