Simplify. Assume that all variables represent positive numbers.
A. 486x
B. 6x2
C. 9
D. 9x
Answer: D
Mathematics
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Add or subtract as indicated.-18.1 + 38.02
A. -19.92 B. 19.92 C. 19.84 D. 20.62
Mathematics
Find the length of the third side of the right triangle. Where appropriate, give both an exact answer and an approximation to three decimal places.
A. 19 B. 11 C. 14 D. 20
Mathematics
Solve.The amount of gas that a helicopter uses is directly proportional to the number of hours spent flying. The helicopter flies for 3 hours and uses 15 gallons of fuel. Find the number of gallons of fuel that the helicopter uses to fly for 4 hours.
A. 24 gallons B. 12 gallons C. 20 gallons D. 25 gallons
Mathematics
Write in simplest exponent form.6 ? 6 ? 6 ? 6 ? 6 ? 6 ? x ? x
A. 66x2 B. 66x2 C. 36x2 D. 65x2
Mathematics