Set up the percent proportion for the application problem. Do not try to solve for any unknowns.In one state, the sales tax is 6%. On one purchase, the tax was $63. Find the cost of the item purchased.
A. 
= 
B. 
= 
C. 
= 
D. 
= 
Answer: B
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Evaluate the integral.
A. 
B. 
C. 
D. 
Solve the problem.(a) All items in an ice cream truck cost $1.09 per item. Fill in the chart with the correct response for the total cost C(x) if x items are purchased. (b) Write the linear function which gives C(x).
A. (a) $1.09; $2.18; $3.27; $4.36 (b) C(x) = 1.09x + 1.09 B. (a) $0; $1.09; $1.09; $1.09 (b) C(x) = 1.09 C. (a) $0; $1.09; $2.18; $3.27 (b) C(x) = 1.09x D. (a) None is correct. (b) None is correct.
Solve the system of equations.
A. (4, 5) B. (4, 28), (5, 30) C. (-4, 12), (-5, 10) D. No solution
Write the equation in standard form for an ellipse centered at (h, k). Identify the center and the vertices.49x2 + y2 - 294x + 392 = 0
A. C(7, 0); V(7, ±3); 
+ 
= 1
B. C(7, 0); V(3, ±7); 
+ 
= 1
C. C(0, 3); V(±7, 3); 
+ 
= 1
D. C(3, 0); V(3, ±7); 
+ 
= 1