Solve the problem.Sue drove her car 222 miles in January, 303 miles in February, and 200 miles in March. If her average mileage for the four months from January to April is to be at least 249 miles, how many miles must she drive in April?
A. at least 244 miles
B. at most 271 miles
C. at most 249 miles
D. at least 271 miles
Answer: D
Mathematics
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Solve the problem by estimating.Juan traveled for 6 weeks in Asia last year and spent $2357 while he was there. Estimate the average amount he spent each day. Round the number of days to the to the nearest ten and the amount of money spent to the nearest hundred.
A. $600 B. $50 C. $500 D. $60
Mathematics
Simplify.90 ÷ (6 ÷ 3)
A. 5 B. 88 C. 45 D. 15
Mathematics
Simplify.(-3xy)2
A. -6x2y2 B. 9x2y2 C. 9xy D. -6xy
Mathematics
Find the domain of the function.f(x) = 
A. (-?, 14]
B. (
, ?)
C. (-?, ?)
D. (-?, 14) ? (14, ?)
Mathematics