Solve the problem.A motorcycle and a car leave an intersection at the same time. The motorcycle heads north at an average speed of 20 miles per hour, while the car heads east at an average speed of 48 miles per hour. Find an expression for their distance apart in miles at the end of t hours.
A. t
miles
B. 52
miles
C. 2t
miles
D. 52t miles
Answer: D
Mathematics
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Given the values of x and y, find an equation of variation in which y varies directly as x.y = 20, when x = 16
A. y = 1.25y B. y = 0.8x C. y = 20x D. y = 1.25x
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The following circle graph shows the fraction of a company's total yearly sales by employee.
What fraction of the sales came from Sue? Write the fraction in simplest form.
A. 
B. 
C. 
D. 
Mathematics
Multiply.(2 - 3i)(7 + 6i)
A. -18i2 - 9i + 14 B. 32 + 9i C. 32 - 9i D. -4 - 33i
Mathematics
Use a calculator to find the following. Round the answer to four places past the decimal point. ? cot 36°
Fill in the blank(s) with the appropriate word(s).
Mathematics