Solve the problem.How many arrangements of answers are possible in a multiple-choice test with 7 questions, each of which has 5 possible answers?
A. 21
B. 78,125
C. 2520
D. 42
Answer: B
Mathematics
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Find the sum of the given infinite geometric series.37 + 6 + 
+ . . .
A. 
B. 
C. 
D. 
Mathematics
Evaluate the expression.-73
A. 21 B. -21 C. -343 D. 343
Mathematics
Convert to radian measure. Round to two decimal places.56.4°
A. 0.96 B. 0.99 C. 0.98 D. 0.97
Mathematics
Solve.The number of students in a school in year n is estimated by the model
. About how many students are in the school in each of the first three years?
A. 99, 128, 167 B. 104, 128, 167 C. 113, 142, 181 D. 99, 128, 152
Mathematics