Solve the problem.Wanda bought 2 items at Lucky Pete's market. She bought a pound of butter for 
and a gallon of milk for $2.91. What was the total amount that she paid for both of these items?
A. $4.71
B. $4.81
C. $3.71
D. $3.81
Answer: B
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Graph the polar equation.r = 
+ cos ?
A. 
B. 
C. 
D. 
Solve.A rectangle that is x feet wide is inscribed in a circle of radius 20 feet. Express the area of the rectangle as a function of x. Graph the function and from the graph determine the value of x, to the nearest tenth of a foot, which will maximize the area of the rectangle.
A. 27.9 feet B. 29.1 feet C. 28.3 feet D. 28.7 feet
The calculator graphs shows the x-values of the x-intercepts of the graph of the polynomial in the equation. Use the graphs to solve the equation.4x2 -20x +21 = 0
A. {1.5, 3.5} B. {-29, 21} C. {-3.5, -1.5} D. {6, 14}
Sketch the graph and find the area of the region bounded below by the graph of the given function and above by the x-axis from 
to 
.
?
?
?
A. ?
sq units
?
B. ?
sq units
?
C. ?
sq units
?
D. ?
sq units
?