Graph the system of linear inequalities.x - y ? -1x + 3y ? 19y ? 7
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Evaluate the function at the given values of the variable.f(x) = x2 + 5
a. f(-4)
b. f(-6)
A. 80, 180 B. -40, -60 C. -3, -7 D. 21, 41
Mathematics
Solve.Scott set up a volleyball net in his backyard. One of the poles, which forms a right angle with the ground, is 8 feet high. To secure the pole, he attached a rope from the top of the pole to a stake 12 feet from the bottom of the pole. To the nearest tenth of a foot, find the length of the rope.
A. 8.9 ft B. 208 ft C. 4.5 ft D. 14.4 ft
Mathematics
Solve the problem.Find the volume of the parallelepiped enclosed by the planes 
A. 
B. 
C. 
D. 
Mathematics
Solve the equation.x - 6.4 = 14.1
A. x = 20.5 B. x = 20 C. x = 7.7 D. x = 7.2
Mathematics