Find the focus and directrix of the parabola.y = -8x2
A. 
, y = 
B. 
, x = 
C. 
, y = -
D. 
, x = 
Answer: A
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Solve the problem. Round to the nearest cent.
Dr. Henry Kril is filing his tax as a head of household. His taxable income is $210,630 and his W-2 form shows he has already paid $59,516. Calculate his tax refund or payment.
A. $6401.85 refund B. $10,066.10 refund C. $3891.17 payment D. $10,066.10 payment
Find the depreciation per unit. Round to the nearest cent.Cost: $6,600Salvage: $500Est. Life: 21,000 units
A. $0.29 B. $2.90 C. $0.31 D. $3.10
Solve the problem.The profit made when t units are sold, t > 0, is given by 
Determine the number of units to be sold in order for P < 0 (a loss is taken).
A. t > 0 B. t = 12 units or t = 17 units C. t < 12 units or t > 17 units D. 12 units < t < 17 units
Graph the circle.x2 + y2 + 12x + 6y + 29 = 0
A. 
B. 
C. 
D. 