Solve the problem.A triangle has a base of length 3x + 1 and a height of x + 6 and has an area of 45 square units. Find the base and height. (A = bh)

A. base = 3 units; height = 30 units
B. base = 10 units; height = 9 units
C. base = 3 units; height = 15 units
D. base = 9 units; height = 5 units


Answer: B

Mathematics

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