Solve the problem.In a school survey, students showed these preferences for instructional materials. 
About how many students would you expect to prefer computers in a school of 700 students?
A. About 126 students
B. About 36 students
C. About 252 students
D. About 140 students
Answer: C
Mathematics
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Solve the problem.A ship in the Atlantic Ocean measures its position to be 21°20' north latitude. Another ship is reported to be due north of the first ship at 43°21' north latitude. Approximately how far apart are the two ships? Round to the nearest mile. Assume that the radius of the Earth is 3960 miles.
A. 1522 mi B. 1536 mi C. 87,186 mi D. 87,200 mi
Mathematics
Simplify the expression.274/3
A. 729 B. 2187 C. 81 D. 243
Mathematics
Perform the subtraction visually using symbols. -6 - (-4)
A. -2 B. -9 C. 9 D. -10
Mathematics
Find the product.11x(-12x - 11)
A. -132x2 - 121x B. -132x2 - 11x C. -12x2 - 121x D. -253x2
Mathematics