Find the probability.One digit from the number 4,868,338 is written on each of seven cards. What is the probability of drawing a card that shows 4, 8, or 6?
A. 
B. 
C. 
D. 
Answer: D
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Convert. When necessary, round the answer to two decimal places.40 pints = quarts
A. 160 B. 20 C. 80 D. 10
Evaluate the spherical coordinate integral.
A. 
?
B. 
?
C. 
?
D. 
?
Solve the problem.Devon purchased tickets to an air show for 8 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: $21; child's ticket: $16 B. adult's ticket: $24; child's ticket: $19 C. adult's ticket: $23; child's ticket: $18 D. adult's ticket: $22; child's ticket: $17
Solve the problem.A mass hangs from a spring which oscillates up and down. The location x of the mass at time t is given by 
What is the amplitude? What is the period? Graph this function over two periods beginning at t = 0.
What will be an ideal response?