Use the formula for the sum of the first n terms of a geometric sequence to solve.Find the sum of the first 11 terms of the geometric sequence: -4, -12, -36, -108, -324, . . . .
A. -354,255
B. -354,312
C. -354,292
D. -354,290
Answer: C
Mathematics
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Solve the polynomial inequality.2x3 + 5x2 - 47x - 140 > 0
A. 
? 
B. 
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C. 
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D. 
? 
Mathematics
Solve the problem.Given the following revenue and cost functions, find the maximum profit. (Recall that profit equals revenue minus cost.) R(x) = 53x - 2x2; C(x) = 21x + 100
A. $28 B. $156 C. $228 D. $128
Mathematics
Find an equivalent equation in polar coordinates.x2 + y2= 121
A. r = 11 sin ? B. r = 11 cos ? C. r = 121 D. r = 11
Mathematics
Provide an appropriate response.A computer compiles a program in 0.00000358 seconds. Write 0.00000358 in scientific notation.
A. 3.58 × 10-7 B. 3.58 × 10-8 C. 3.58 × 105 D. 3.58 × 10-6
Mathematics