Find the nth, or general, term.3, 9, 27, . . .
A. 3n-1 + 2
B. 3 + 6(n - 1)
C. 3n+1 - 6
D. 3n
Answer: D
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A. $11.14 B. $123.80 C. $111.40 D. $12.38
Solve.Find the area of the trapezoid. Simplify if possible.
A. 282
sq. m
B. 141
sq. m
C. 
sq. m
D. 141
sq. m
Solve the problem.If -15 is added to a number and the sum is doubled, the result is 9 less than the number. Find the number.
A. 24 B. 39 C. 21 D. -39
Solve the problem.A cup of coffee with temperature 103°F is placed in a freezer with temperature 0°F. After 5 minutes, the temperature of the coffee is 68.4°F. What will its temperature be 15 minutes after it is placed in the freezer? Round your answer to the nearest degree.
A. 28°F B. 23°F C. 25°F D. 30°F