Evaluate the expression for the given replacement values.
for x = 18, y = 6
A. 12
B. 24
C. 8
D. 20
Answer: C
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Solve the equation.45x2 = 21 + 96x
A. 
B. 
C. 
D. 
Determine the standard equation of the ellipse using the given graph.
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Solve the problem.John owns a hot dog stand. He has found that his profit is represented by the equation 
with P being profits and x the number of hot dogs sold. How many hot dogs must he sell to earn the most profit?
A. 36 hot dogs B. 35 hot dogs C. 47 hot dogs D. 23 hot dogs
The following table shows the earnings for the Juarez family last year. Use this information to answer the question.MonthEarningsMonthEarningsJan.$1400July$1300Feb.$1150Aug.$2450Mar.$2950Sept.$2500Apr.$2300Oct.$2000May$1650Nov.$2350June$2700Dec.$2400What was the family's total income from January thru June?
A. $11,000 B. $9,200 C. $12,150 D. $13,000