Solve the problem.Use the graph to determine how many hours were needed to prepare for Test 4.
A. 5
B. 4
C. 3
D. 2
Answer: A
Mathematics
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Solve the problem.How many different ways can you make change for a 50-cent coin using quarters, dimes, and nickels?
A. 8 ways B. 9 ways C. 10 ways D. 11 ways
Mathematics
Solve.A signal is made by placing 3 flags, one above the other, on a flag pole. If there are 6 different flags available, how many possible signals can be flown?
A. 120 B. 18 C. 20 D. 216
Mathematics
Write an equation of the circle with the given center and radius.the origin; 
A. x2 + y2 = 14
B. x2 + y2 = 
C. x2 + y2 = 196
D. x2 + y2 = 
Mathematics
Use order of operations to simplify the expression.[-20.6 + (16.6 - 3.9)] - 2.1
A. -10 B. -5.8 C. -39 D. 31.2
Mathematics