Find the solution set in the real numbers.3(x + 5) - (3x + 15) = 0
A. 0
B. All real numbers
C. No solution
D. 5
Answer: B
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Solve the problem.Tim and Judy mix two kinds of feed for pedigreed dogs. They wish to make 25 pounds of feed worth $0.25 per pound by mixing one kind worth $0.15 per pound with another worth $0.31 per pound. How many pounds of the cheaper kind should they use in the mix? Round your answer to the nearest pound, if necessary.
A. 16 pounds B. 9 pounds C. 11 pounds D. 21 pounds
Add or subtract. Simplify all answers. Express as a mixed number.13
+ 9
A. 13
B. 21
C. 22
D. 23
Find the equation of the circle with center at 
and which passes through the point 
.
?
A. ?
B. ?
C. ?
D. 
E. ?
Solve the inequality algebraically. Express the solution in interval notation.x3 ? 125
A. (-?, 5] B. [5, ?) C. (-?, -5] ? [5, ?) D. [-5, 5]