Solve the system, if possible. If a solution exists, give the value of x.
?
?
A. 
B. 
C. 
D. 
E. no solution
Answer: C
Mathematics
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Find the equation of a circle satisfying the given conditions.Center: (8, 0); radius: 
A. (x - 8)2 + y2 = 14 B. x2 + (y + 8)2 = 196 C. (x + 8)2 + y2 = 14 D. x2 + (y - 8)2 = 196
Mathematics
Solve the problem.If a person puts one penny in a piggy bank on the first day, two pennies in on the second day, three pennies in on the third day, and so forth, how much money will be in the bank after 30 days?
A. $9.30 B. $0.30 C. $2.33 D. $4.65
Mathematics
Perform the indicated operations.(-2x + 4) + (9x - 14) - (3x - 30)
A. 4x + 20 B. -4x - 20 C. 10x - 40 D. 4x - 40
Mathematics
Find the real solutions, if any, of the equation. Use the quadratic formula.8x2 - x + 4 = 0
A. 
B. 
C. no real solution
D. 
Mathematics