Solve the problem.In how many ways can 8 people line up for play tickets?
A. 16,777,216
B. 8
C. 40,320
D. 1
Answer: C
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Solve the differential equation.
+ 6y = e-6x
A. y = e-6x (x + c) B. y = 6x + ce-6x C. y = e6x (x + c) D. y = x e-6x
The graph of a quadratic function is given. Choose the function's equation.
A. f(x) = x2 + 2 B. f(x) = x2 - 4x + 4 C. f(x) = x2 + 4x + 4 D. f(x) = x2 - 2
Decide whether the slope is positive, negative, zero, or undefined.
A. Positive B. Undefined C. Zero D. Negative
Solve the problem.A croissant, a cup of coffee, and a fruit bowl from Kelley's Coffee Cart cost a total of $5.25. Kelley posts a notice announcing that, effective next week, the price of a croissant will go up 25% and the price of coffee will go up 35%. After the increase, the total price of the purchase will be 
and a fruit bowl will cost 3 times as much as a croissant. Find the cost of each item before the increase.
A. Coffee costs $0.75, a croissant costs $1.50, and a fruit bowl costs $3.00. B. Coffee costs $1.75, a croissant costs $0.50, and a fruit bowl costs $3.00. C. Coffee costs $1.25, a croissant costs $1.25, and a fruit bowl costs $2.75. D. The prices cannot be determined from the given information.