Use a graphing calculator to solve the system of equations.
A. (1, 5)
B. (2, 4), (1, 5)
C. (2, 4)
D. No solution
Answer: B
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Solve the problem.The perimeter of a rectangle is six times the width. If the length were increased by 4 inches and the width by 7 inches, the perimeter would be 160 inches. What is the width?
A. 69 in. B. 46 in. C. 23 in. D. 138 in.
Use an Euler diagram to determine whether the argument is valid or invalid.All cats like fish.Henry does not like fish.Henry is not a cat.
A. Valid B. Invalid
Solve the problem.The motion of a spring-mass system is described by the equation 
where y is the distance in feet from the equilibrium position and t is time in seconds. Find the velocity of the mass at time t = 3/4 seconds. Is the mass moving toward or away from its equilibrium position or neither?
A. 0 ft/s; away from equilibrium position B. -4? ft/s; toward from equilibrium position C. 0 ft/s; neither D. 4? ft/s; away from equilibrium position
Solve the problem.Find the exact value of x in the figure.
A. 11
B. 
C. 
D. 11