Solve the system of equations by graphing.
?
?
?
A. 
, 
B. 
C. 
, 
D. 
, 
E. no solution
Answer: D
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?Which of the following situations does not indicate a positive relationship (correlation)?
A. ?The more calories you consume, the more weight you gain. B. ?The less you exercise, the fewer calories you burn. C. ?The faster you drive, the less time it takes to get there. D. ?The slower you drive, the less gasoline you use. E. ?b and c only.
Find all real numbers in the interval [0, 2?) that satisfy the equation.9 sin2x + 3 sin x = 2Round any approximations to the nearest tenth of a radian.
A. 
B. 
C. 
D. 
Solve the problem.Find the dimensions that produce the maximum floor area for a one-story house that is rectangular in shape and has a perimeter of 153 ft.
A. 38.25 ft × 38.25 ft B. 76.5 ft × 76.5 ft C. 12.75 ft × 38.25 ft D. 38.25 ft × 153 ft
Find the solution set for the equation.3|x - 3| = 18
A. {9, -3} B. ? C. {3} D. {3, -9}