Solve.The price of a printer was reduced from $400 to $300. What was the percent of decrease?
A. 33.3%
B. 30%
C. 25%
D. 75%
Answer: C
Mathematics
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Solve the problem.Find the perimeter of the polygon with the following vertices. Round to the nearest hundredth. A(0, -3), B(-1, 0), C(0, 3), D(2, 0)
A. 13.09 B. 10.37 C. 13.54 D. 13.98
Mathematics
Solve the problem. Round to the nearest tenth, if necessary.If an object is propelled upward from ground level with an initial velocity of 90.2 feet per second, its height h in feet t seconds later is given by the equation 
After how many seconds does the object hit the ground?
A. 2.8 sec B. 11.3 sec C. 0.2 sec D. 5.6 sec
Mathematics
Use point plotting to graph the plane curve described by the given parametric equations.x = t2, y = 
+ 2; 0 ? t ? 4
A. 
B. 
C. 
D. 
Mathematics
Solve.t - (-10) = 9
A. -19 B. 1 C. 19 D. -1
Mathematics