Simplify the expression. Assume that all variables represent positive real numbers.-321/5
A. -8
B. 32
C. 16
D. -2
Answer: D
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Solve the problem.Sally will pay $14,400 on her student loan over the next 5 years. If $240 is automatically deducted from her bank account each month to pay off the loan, how much does she still owe after one year?
A. $11,520 B. $2880 C. $17,280 D. $12,000
Solve. Remember to insert units when writing your answer.One box of cake mix weighs 1.955 kilograms, but 89 grams of this weight is the packaging. Find the actual weight (excluding packaging) of the cake mix in 4 boxes.
A. 7.464 kg B. 7.82 kg C. 1.866 kg D. 4.26 kg
Find the polar equation of the planet's orbit and the perihelion and aphelion distances.
?
Earth 
miles 
?
A. 
Perihelion distance: 
Aphelion distance: 
B.
Perihelion distance: 
Aphelion distance: 
C.
Perihelion distance: 
Aphelion distance: 
D.
Perihelion distance: 
Aphelion distance: 
E.
Perihelion distance: 
Aphelion distance: 
Solve.The average cost per tape, in dollars, for a company to produce x sports videotapes is given by the functionA(x) = 
for x > 0
Graph the function on the interval (0, ?) and complete the following:A(x) ? 
as x ? ?.
A. 
A(x) ? 1 as x ? ?.
B. 
A(x) ? 0 as x ? ?.
C. 
A(x) ? 16 as x ? ?.
D. 
A(x) ? 11 as x ? ?.