Solve the problem.Find the missing length in the following right triangle. If necessary, round to the nearest tenth. 
A. 14 in.
B. 221 in.
C. 21 in.
D. 442 in.
Answer: C
Mathematics
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Graph the system of inequalities, and find the coordinates of the vertices.3y + x ? -6,y + 2x ? 8,y ? 0,x ? 0
A. 
B. 
C. 
D. 
Mathematics
Use a calculator to find a nonnegative angle less than 360° for the function value. Round to the nearest degree. cos ? = 0.5150, (270 °, 360°)
A. 239° B. 59° C. 121° D. 301°
Mathematics
Use the coordinates of the indicated points to find the slope of the line.
A. - 
B. -4
C. 4
D. 
Mathematics
Solve the combined inequality and graph the solution set. Write the solution in interval notation.17 < 4b + 5 ? 33
A. (3, 7)
B. [3, 7]
C. (3, 7]
D. [3, 7)
Mathematics