Find the indicated sum. Find the sum of the first 7 terms in the geometric series 
- 
+ 
- . . .
A. - 
B. - 
C. 
D. 
Answer: C
Mathematics
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Determine whether function is one-to-one.
A. Yes B. No
Mathematics
Factor the polynomial completely using the trial and error method.11x2 + 122x + 11
A. (11x + 11)(x + 1) B. prime C. (11x + 1)(x + 11) D. (11x - 1)(x - 11)
Mathematics
Solve the system by substitution.5x - 4y = -178x + 8y = 88
A. {(-3, 8)} B. ? C. {(-6, -2)} D. {(3, 8)}
Mathematics
Solve the problem.A bank gives three loans totaling $280,000 to a development company for the purchase of three business properties. The largest loan is $40,000 more than the sum of the other two, and the smallest loan is one-third of the next larger loan. Find the amount of the largest loan.
A. $120,000 B. $180,000 C. $160,000 D. $140,000
Mathematics