What is the vertex angle?
?BCA
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Graph the parabola or ellipse. Include the directrix that corresponds to the focus at the origin.r = 
A. 
B. 
C. 
D. 
Graph the function on the indicated interval.y = 
cos (?x), 0 ? x ? 4 
A. 
B. 
C. 
D. 
Use an annual percentage rate table to solve the problem.In order to make some home improvements, a home owner spent $20,000. He paid 15% as a down payment and financed the balance of the purchase with a 
fixed installment loan with an APR of 
Determine the home owner's total finance charge and monthly payment.
A. Total finance charge = $2562.00; Monthly payment = $626.72 B. Total finance charge = $1006.40; Monthly payment = $500.18 C. Total finance charge = $1205.30; Monthly payment = $505.70 D. Total finance charge = $2920.60; Monthly payment = $553.35
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. 28 hot dogs B. 44 hot dogs C. 22 hot dogs D. 29 hot dogs