Simplify. Assume that all variables represent non-negative real numbers.
A. 8x
B. 
C. 4x
D. 
Answer: D
Mathematics
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Multiply.(3s2 - 5s - 4)(s2 + 4s + 5)
A. 3s4 + 7s3 - 9s2 - 41s - 20 B. 3s4 + 12s3 - 5s2 - 41s - 20 C. 3s4 + 7s3 - 5s2 - 41s - 20 D. 3s4 + 12s3 - 9s2 - 41s - 20
Mathematics
Solve the inequality. Express your answer using interval notation.-15 ? -2x - 3 ? -11
A. (4, 6)
B. [-6, -4]
C. [4, 6]
D. (-6, -4)
Mathematics
Find the perimeter of the triangle.
A. 28 yd B. 98 yd C. 42 yd D. 41 yd
Mathematics
Solve the problem.A triangle drawn on a map has sides of lengths 9.0 cm, 12 cm, and 13 cm. The shortest of the corresponding real-life distances is 108 km. Find the longest of the real-life distances. Round to the nearest unit.
A. 75 km B. 156 km C. 144 km D. 117 km
Mathematics