Solve the problem.A local business sign is in the shape of a triangle. If the base of the sign is 3 times the height and the area is 294 square feet, find the dimensions of the sign.
A. height = 42 ft, base = 14 ft
B. height = 14 ft, base = 42 ft
C. height = 7 ft, base = 21 ft
D. height = 21 ft, base = 7 ft
Answer: B
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Solve the problem.Suppose the consumption of electricity grows at 2.6% per year, compounded continuously. Find the number of years before the use of electricity has tripled. Round the answer to the nearest hundredth.
A. 4.23 yr B. 42.25 yr C. 115.38 yr D. 0.42 yr
Is the first number divisible by the second number? Answer yes or no.21,288; 6
A. Yes B. No
Decide whether the statement is true or false. If it is false, tell why.The equation (x + 26)2 = 0 has exactly one real solution.
A. True B. False; the equation has two real solutions. C. False; the equation has no real solutions.
Simplify.-4x(7x - 7) - 3(4x + 3)
A. 28x2 - 40x - 9 B. -28x2 - 12x + 19 C. -28x2 - 40x - 9 D. -28x2 + 16x - 9