Solve the problem.A planet travels around the sun in an elliptical orbit given approximately by 
where r is measured in miles and the Sun is at the pole. Find the distance from the planet to the Sun at aphelion (greatest distance from the Sun.)
A. 4.46 × 107 mi
B. 7.06 × 106 mi
C. 3.26 × 107 mi
D. 7.06 × 107 mi
Answer: D
Mathematics
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After the first day of registration, 450 children had been enrolled in a new day care center. That represented 90% of the available slots. What was the maximum number of children the center could enroll?__________ children
Fill in the blank(s) with the appropriate word(s).
Mathematics
Find the finance charge for the revolving credit account. Assume interest is calculated on the average daily balance of the account. Round to the nearest cent.Average Daily BalanceMthly Interest Rate$881.10?1
%
A. $17.63 B. $16.45 C. $14.69 D. $13.71
Mathematics
Solve the equation.
= 0
A. - 
, 
B. - 
, 
C. - 1, 
D. - 1, 
Mathematics
Match the given equation with one of the graphs.81x2 + 4y2 = 324
A. 
B. 
C. 
D. 
Mathematics