Solve the problem.An airplane is flying in the direction 11° east of south at 614 km/hr. Find the component form of the velocity of the airplane, assuming that the positive x-axis represents due east and the positive y-axis represents due north.
A. 
B. 
C. 
D. 
Answer: C
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Use the relative frequency method to estimate the probability. Round your answer to 2 decimal places when necessary.In a poll, respondents were asked whether they were planning to vote in the local election. 255 respondents indicated that they were planning to vote and 235 said that they were not. What is the probability that the next respondent questioned will indicate that they are planning to vote?
A. 0.48 B. 0.5 C. 1.09 D. 0.52
Find the amount that will be in an account, given the stated conditions.P = $12,000, t = 3, r = 10% compounded quarterly
A. $4138.67 B. $15,745.04 C. $15,972.00 D. $16,138.67
Use the row transformation described to transform the matrix.
A. 
B. 
C. 
D. 
Solve the application problem.A car travels 400 miles on level terrain in the same amount of time it travels 160 miles on mountainous terrain. If the rate of the car is 30 miles per hour less in the mountains than on level ground, find its rate in the mountains.
A. 20 mph B. 80 mph C. 50 mph D. 40 mph