Use a calculator to approximate the root to the nearest thousandth.-
A. -3.254
B. -3.246
C. -3.236
D. -3.268
Answer: D
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If the sides of a triangle are a, b, and c and they satisfy a2 + b2 = c2, the triangle is a right triangle. Determine whether the triangle with the given sides is a right triangle.a = 1, b = 1, c = 2
A. Yes B. No
Solve the problem.A satellite dish is in the shape of a parabolic surface. Signals coming from a satellite strike the surface of the dish and are reflected to the focus, where the receiver is located. The satellite dish shown has a diameter of 14 feet and a depth of 3 feet. The parabola is positioned in a rectangular coordinate system with its vertex at the origin. Write an equation in the form of 
for the parabola used to shape the dish. 
A. y = 
x2
B. y = 
x2
C. y = 
x2
D. y = 
x2
Solve and graph the inequality. Give answer in interval notation.
< 
A. 
B. 
C. 
D. 
Use a common unit right triangle to find the value.sin 30°
A. 
B. 
C. 
D. 