The graph of f(x) = ax2 + bx + c is given in the figure. Determine whether the discriminant is positive, negative, or zero.
A. Negative
B. Zero
C. Positive
Answer: C
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Solve.Mary borrowed 
to finish college at an interest rate of 
per year. How much interest will Mary need to pay next year?
A. $630 B. $6300 C. $14,630 D. $20,300
Find the Social Security tax and Medicare tax on the annual gross income of a self-employed individual. For a self-employed person, the FICA rate is 12.4% and the Medicare rate is 2.9%. Round to the nearest cent if needed.Drew Laughlin, attorney, earned $53,081.59
A. $6,482.12, $1,439.37 B. $3,291.06, $769.68 C. $6,582.12, $1,539.37 D. $3,291.06, $1,539.37
Solve the formula for the specified variable.a + b = s + r for s
A. s = r(a + b)
B. s = a + b - r
C. s = 
+ b
D. s = 
Solve.Each month a beauty salon gives x manicures for $12.00/manicure. The cost to the owner of the beauty salon for each manicure is $7.35. The monthly fixed cost to maintain a manicure station is $120.00. Write an equation that relates the monthly profit, in dollars, to the number of manicures given each month. Then use the equation to find the monthly profit when 200 manicures are given in a month.
A. P = 7.35x - 120; $1350 B. P =12x - 120; $2280 C. P = 4.65x - 120; $810 D. P = 4.65x; $930