Solve the equation.x + 11.4 = 6.7
A. x = 18.1
B. x = -4.7
C. x = -4.2
D. x = 17.6
Answer: B
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Find the area of the region specified in polar coordinates.the region enclosed by the curve r = 5 cos 3?
A. 
?
B. 
?
C. 
?
D. 
?
Determine the standard equation of the hyperbola with the given characteristics.The vertices are at (-5, 2) and (3, 2); an asymptote has equation y - 2 = 
(x + 1).
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
Add the real numbers. Write any improper fraction as a whole or mixed number where appropriate.-3 + 8
A. -11 B. 11 C. 5 D. -5
Solve. If necessary, round percents to the nearest tenth, dollar amounts to the nearest cent, and all other numbers to the nearest whole.Sales at a local ice cream shop went up 30% in 5 years. If 50,000 ice cream cones were sold in the current year, find the number of ice cream cones sold 5 years ago. (Round to the nearest integer, if necessary.)
A. 15,000 ice cream cones B. 35,000 ice cream cones C. 38,462 ice cream cones D. 166,667 ice cream cones