Solve the problem.Find the number of ways of arranging 5 distinct items in a circle.
A. 24
B. 6
C. 256
D. 120
Answer: A
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Solve the problem.A motorcycle and a car leave an intersection at the same time. The motorcycle heads north at an average speed of 20 miles per hour, while the car heads east at an average speed of 48 miles per hour. Find an expression for their distance apart in miles at the end of t hours.
A. t
miles
B. 2t
miles
C. 52
miles
D. 52t miles
Solve the problem.A cashier has a total of 132 bills, made up of fives and tens. The total value of the money is $890. How many ten-dollar bills does the cashier have?
A. 23 B. 69 C. 86 D. 46
Find the x- and y-intercepts of f.f(x) = (x - 4)2(x2 - 25)
A. x-intercepts: -4, -25; y-intercept: 100 B. x-intercepts: -5, 4, 5; y-intercept: 400 C. x-intercepts: -5, 4, 5; y-intercept: -400 D. x-intercepts: 4, 25; y-intercept: 100
Solve.Sandi can make a quilt in 10 days and Eva can make a quilt in 7 days. In how many days can they make a quilt working together?
A. 5
days
B. 3
days
C. 4
days
D. 4
days