Solve the problem.Devon purchased tickets to an air show for 4 adults and 2 children. The total cost was 
. The cost of a child's ticket was 
less than the cost of an adult's ticket. Find the price of an adult's ticket and a child's ticket.
A. adult's ticket: $18; child's ticket: $15
B. adult's ticket: $16; child's ticket: $13
C. adult's ticket: $19; child's ticket: $16
D. adult's ticket: $17; child's ticket: $14
Answer: D
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Write the negation of the conditional. Use the fact that the negation of p ? q is p ? ~q.If you can't take the heat, stay out of the kitchen.
A. You can take the heat and do not stay of of the kitchen. B. You can take the heat and stay out of the kitchen. C. You can't take the heat and do not stay out of the kitchen. D. You can take the heat but stay out of the kitchen.
Find the area under the normal curve for the condition.Find the percent of the area under the curve between the mean and 2.41 standard deviations from the mean.
A. 50.8% B. 49.2% C. 99.2% D. 49.4%
Factor the trinomial completely. If the trinomial cannot be factored, say it is prime.-15n3 + 15n2 + 30n
A. 15n(n + 2)(n - 1) B. -15n(n - 2)(n + 1) C. -15n(n + 2)(n - 1) D. 15n(n - 2)(n + 1)
Solve the equation and check your solution.
= 
A. -4, 4 B. -2, 2 C. -2, 0, 2 D. no solution