Graph the equation by plotting points.-2.5x + 1.5y = 7
A. 
B. 
C. 
D. 
Answer: A
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Find the slope of the line. If the slope is undefined, state this.
A. 0
B. Undefined
C. 1
D. 
Solve the problem.A weight attached to a spring hanging from the ceiling bobs up and down. The weight's distance from the ceiling is modeled by 
where f(t) is measured in feet and t in seconds. Assume the weight starts bobbing at 
At what time is the weight farthest from the ceiling, and how far away is it at that time?
A. 0.462 sec; 4.7 ft B. 0.924 sec; 4.7 ft C. 0.462 sec; 4 ft D. 0.924 sec; 0.7 ft
Solve the problem.Bert is 16.5 kilometers away from Brenda. Both begin to walk toward each other at the same time. Bert walks at 4 kilometers per hour. They meet in 3 hours. How fast is Brenda walking?
A. 1.5 kilometers per hour B. 4 kilometers per hour C. 3.5 kilometers per hour D. 2.5 kilometers per hour
Graph the system.
A. 
B. 
C. 
D. 