Solve the problem.Researchers conducted a weight loss study of moderately overweight women. In addition to dieting, the women kept exercise and weight loss journals for one year. The researchers used this data to derive a polynomial function that models average monthly weight loss as a function of average weekly minutes of aerobic exercise. As its coefficients make the function difficult to compute by hand, the graph below was used in estimating.
Use the graph to estimate the average number of minutes a woman exercised per week if her average monthly weight loss was 4.4 pounds.
A. 120 min
B. 127 min
C. 115 min
D. 135 min
Answer: A
Mathematics
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Subtract.
A. 42 B. 146 C. 44 D. 54
Mathematics
Determine whether the scatter diagram indicates that a linear relation may exist between the two variables. If a linear relation does exist, indicate whether the slope is positive or negative.
A. Linear with positive slope B. Nonlinear C. Linear with negative slope
Mathematics
Use a proportion to solve the problem.It takes 40 oz of grass seed to seed 2160 ft2 of lawn. At this rate, about how much would be needed for 
of lawn? Round to the nearest whole number.
A. 201 oz B. 204 oz C. 594,000 oz D. 198 oz
Mathematics
Provide an appropriate response.True or False? If x > 8 then 10x > 80.
A. True B. False
Mathematics