Find the sum of the finite geometric series.3 + 
+ 
+ 
+ 
A. S5 = 
B. S5 = 
C. S5 = 1023
D. S5 = 
Answer: B
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Factor out the greatest common factor.7s6 + 28s4
A. 7(s6 + 4s4) B. 28(s2 + 4s) C. 7s4(s2 + 4) D. s4(7s2 + 28)
Use the Pythagorean Theorem to find the missing side of the right triangle.
A. 87
B. 3
C. 63
D. 3
Find the exact value by using a half-angle identity.cos 
A. - 
B. - 
C. 
D. 
According to estimates by Paul Kroger Associates, the percent of households that own VCRs is given by 
, where t is measured in years, with t = 0 corresponding to the beginning of 1985.
?
What percent of households owned VCRs at the beginning of 1985? Round your answer to the nearest tenth.
?
__________%
?
At the beginning of 1992? Round your answer to the nearest tenth.
?
__________%
What will be an ideal response?