Find an equation of the circle with the given center and radius.Center (0, -4), radius 
A. x2 + (y + 4)2 = 15
B. (x + 4)2 + y2 = 225
C. x2 + (y - 4)2 = 15
D. (x - 4)2 + y2 = 225
Answer: A
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Solve the following system of equations using the addition method. If both variables cancel out, state your solution as no solution or infinitely many solutions.x = -6(y - 1)-3x - 18y = -18
A. (6, 0) B. no solution C. (0, 1) D. infinitely many solutions
Find the probability.When two balanced dice are rolled, there are 36 possible outcomes. What is the probability that the sum of the numbers on the dice is 6 or 9?
A. 
B. 
C. 
D. 
Find the mean for the list of numbers. Round to the nearest tenth.128, 143, 281, 152
A. 175.5 B. 176.0 C. 234.7 D. 176.5
A baseball team has won more than 94% (but less than 100%) of its games in a season.What is the least possible number of games that the team could have played in the season?
a. 16 b. 17 c. 18 d. 19 e. 20