Graph the ellipse and label the center.
+ 
= 1
A. C(-12, -9)
B. C(-2, -4)
C. C(12, 9)
D. C(2, 4)
Answer: D
Mathematics
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Find the area of the shaded part of the figure if a = 7, b = 3.
?
?
A. 20 B. 10 C. 10.5 D. 21 E. none of these
Mathematics
Solve the problem.Julie and Eric row their boat (at a constant speed) 24 miles downstream for 4 hours, helped by the current. Rowing at the same rate, the trip back against the current takes 6 hours. Find the rate of the current.
A. 0.5 mph B. 1 mph C. 5 mph D. 2 mph
Mathematics
Express as a single logarithm.log4 13 + log4 11
A. log8 143 B. log4 24 C. log8 24 D. log4 143
Mathematics
Solve.The bar graph shows the percent of books ordered for a promotion that were sold within the promotion period.
Write the percent of Children's Reference titles sold as a decimal.
A. 0.068 B. 0.68 C. 68.0 D. 6.8
Mathematics