Find the sum.Find the sum of the first 30 terms of the arithmetic sequence: -9, -19, -29, -39, . . .
A. -4770
B. -4620
C. -4612
D. -309
Answer: B
Mathematics
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Simplify the expression. Write your answer with only positive exponents. Assume that all variables represent nonzero real numbers.
2
A. 
B. 
C. 
D. - 
Mathematics
Write the numbers in order of increasing size.
, 
, 
, 0.95
A. 0.95, 
, 
, 
B. 
, 
, 
, 0.95
C. 
, 
, 
, 0.95
D. 
, 
, 
, 0.95
Mathematics
Find fractional notation for the ratio. You need not simplify.In this rectangle, find the ratios of length to width and of width to length.
A. 
; 
B. 
; 
C. 
; 
D. 
; 
Mathematics
Evaluate.-(-|-6|)
A. -1 B. 1 C. 6 D. -6
Mathematics