An object moves a distance of 490 miles in 7 hours. What is the object's average speed in miles per hour?
A. 
B. 
C. 
D. 
E. 
Answer: B
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Solve the problem.Rectangle A is 40 by 120. Rectangle B is a gnomon to rectangle A. The dimensions of rectangle B are
A. 120 by 320. B. 40 by 240. C. 40 by 160. D. 120 by 160. E. none of these
Evaluate the expression.
A. 4
B. 
C. 
D. 2880
Solve the problem.Mike Penn is an employee of Acme Manufacturing Company. He has an 8-hr workday and each day is paid $0.30 for each unit produced or the hourly rate, whichever is greater. His hourly rate is $6.50 per hour. Last week he produced 141 units on Monday, 167 units on Tuesday, 124 units on Wednesday, 136 units on Thursday, and 147 units on Friday. What were his gross earnings for the week?
A. $296.50 B. $260.00 C. $243.25 D. $308.00
Test the equation for symmetry with respect to the given axis, line, or pole.r = 3 sin(3?); the line ? = 
A. Symmetric with respect to the line ? = 
B. May or may not be symmetric with respect to the line ? = 