Find the sum of the first n terms of the following arithmetic sequence.91, 174, 257, . . .; n = 10
A. -2825
B. 4645
C. 4190
D. -4190
Answer: B
Mathematics
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Use an infinite geometric series to rewrite the repeating decimal as a lowest-terms fraction.0.
A. 
B. 
C. 
D. 
Mathematics
Determine whether the equation is an identity, a conditional equation, or an inconsistent equation.2x + 7x = 8x
A. Identity B. Conditional equation C. Inconsistent equation
Mathematics
?Find 
, if 
.
?
A. ?
B. ?
C. ?
D. ?
E. ?
Mathematics
Solve the problem.An object is thrown upward from the top of a 
building with an initial velocity of 48 feet per second. The height h of the object after t seconds is given by the quadratic equation 
When will the object hit the ground?
A. -2 sec B. 5 sec C. 160 sec D. 2 sec
Mathematics