Solve using a proportion. Round your answer to the nearest hundredth when necessary.Jared found an old family photograph that was 9 inches wide and 6 inches high. He wanted a copy that was 1.75 inches less wide. What will the height of that reduced copy be? Round to the nearest tenth of an inch.
A. 7.4 inches
B. 10.9 inches
C. 4.8 inches
D. 1.2 inches
Answer: C
Mathematics
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Evaluate the integral.
dx
A. 25 e
+ C
B. 5
e
+ C
C. 
e
+ C
D. 
e
+ C
Mathematics
Find the volume of the solid generated by revolving the region about the y-axis.The region in the first quadrant bounded on the left by the circle x2 + y2 = 16, on the right by the line 
, and above by the line y = 4
A. 64?
B. 
?
C. 
?
D. 16?
Mathematics
The letters r and ? represent polar coordinates. Write the equation using rectangular coordinates (x, y).r(1 - 2 cos ?) = 1
A. 
= 2 + x
B. 
= 1 + 2x
C. x2 + y2 = 2 + x
D. x2 + y2 = 1 + 2x
Mathematics
Decide whether the slope is positive, negative, zero, or undefined.
A. Negative B. Undefined C. Zero D. Positive
Mathematics