If point A is on and point S is on in ?DIY so that AS || DY, then
(a) IA:IS = DI:YI.
(b) IA:ID = AS:DY.
(c) IA:ID = IS:IY.
(d) (a), (b) and (c) are correct.
(e) (a), (b) or (c) is correct
(d) (a), (b) and (c) are correct.
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Find a formula for the nth partial sum of the series and use it to find the series' sum if the series converges.7 + 14 + 28 + ... + 7 ? 2n-1 + ...
A. 
; 
B. 
; series diverges
C. 
; series diverges
D. 
; 7
Find the volume of the described solid.The base of a solid is the region between the curve y = 3cos x and the x-axis from x = 0 to 
. The cross sections perpendicular to the x-axis are squares with bases running from the x-axis to the curve.
A. 
?
B. 
?
C. 2?
D. 
?
Solve for the indicated variable.
+ 
= 
, for c
A. c = ab(a + b)
B. c = a + b
C. c = 
D. c = 
Use the pattern in the sequence or chart to find the missing number.3, 2, 1, 0, -1, 
A. -3 B. 0 C. 1 D. -2