Solve.Two cars leave a city and head in the same direction. After 4 hours, the faster car is 40 miles ahead of the slower car. The slower car has traveled 188 miles. Find the speeds of the two cars.
A. 37 mph and 47 mph
B. 49 mph and 59 mph
C. 47 mph and 57 mph
D. 100 mph and 110 mph
Answer: C
Mathematics
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Solve the problem.If you raise 4 to the 214th power, what is the units digit of the result?
A. 2 B. 8 C. 4 D. 6
Mathematics
Find all values of x in the interval [0°, 360°) that satisfy the equation. Round approximate answers to the nearest tenth of a degree.cos2 x + cos x - 1 = 0
A. {51.8°, 308.2°} B. {49.8°, 130.2°, 229.8°, 310.2°} C. {70.5°, 109.5°, 180°} D. {103.2°, 145.2°, 283.2°, 325.2°}
Mathematics
Find the exact value, given that sin A = -4/5 with A in quadrant IV, 
with B in quadrant III, and 
with C in quadrant II.tan 2A
A. - 
B. - 
C. 
D. 
Mathematics
Find the absolute value
?
?
A. 
B. 
C. 
D. 
E. 
Mathematics