Find the probability.A lottery game has balls numbered 1 through 21. What is the probability of selecting an even numbered ball or a 8?
A. 
B. 10
C. 
D. 
Answer: A
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Translate the problem situation to a system of equations. Do not solve.Anne has 15 coins in her pocket consisting of nickels and dimes only. The total value of the coins is $1.25. How many nickels and how many dimes does she have?
A. x + y = 15; 5x + 10y = 1.25 B. x + y = 15; 5x + 10y = 125 C. x + y = 15; 0.05x + 0.1y = 125 D. x + y = 15; 5x + 5y = 125
The graph of a certain function y = f(x) and the zero of that function is given. Using this graph, find a) the x-intercept of the graph of y = f(x) and b) the solution to the equation f(x) = 0.
A. a. -6 b. x = -6 B. a. -5 b. x = 0 C. a. -5 b. x = -5 D. a. 0 b. x = -5
Graph the function. Show at least one period.y = 4 sin(-2x - ?)
A. 
B. 
C. 
D. 
Write the equation of the graph after the indicated transformation(s). The graph of y = 
is translated 4 units to the right.
A. y = 
+ 4
B. y = 
C. y = 
D. y = 
- 4