Solve the problem.Body-mass index, or BMI, takes both weight and height into account when assessing whether an individual is underweight or overweight. BMI varies directly as one's weight, in pounds, and inversely as the square of one's height, in inches. In adults, normal values for the BMI are between 20 and 25. A person who weighs 189 pounds and is 69 inches tall has a BMI of 27.91. What is the BMI, to the nearest tenth, for a person who weighs 138 pounds and who is 65 inches tall?
A. 23.4
B. 23
C. 22.5
D. 22.2
Answer: B
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Simplify the expression by combining like terms. 27.4x - 6.0 - 11.7x + 15.2
A. 16.7x + 9.2 B. 15.7x + 9.2 C. 24.9x D. 15.7x + 10.2
The figure shows the graphs of the cost and revenue functions for a company that manufactures and sells binoculars. Use the information in the figure to answer the question.
More than how many binoculars must be produced and sold for the company to have a profit gain?
A. 2700 binoculars B. 1500 binoculars C. 750 binoculars D. 2250 binoculars
Solve.You make a deposit of $59 into your checking account and you write a check for $90. What is the overall effect of these two actions?
A. -$31 B. $149 C. -$149 D. $31
Factor completely. If a polynomial cannot be factored, say it is prime.18x2y - 98y
A. 2y(3x + 7)(3x - 7) B. 2y(3x + 7)2 C. prime D. 2y(3x - 7)2