Find the first term and the common ratio for the geometric sequence. Round approximations to the nearest hundredth.a2 = -24, a5 = 648
A. a1 = 24, r = 3
B. a1 = 648, r = -0.33
C. a1 = 8, r = -3
D. a1 = 8, r = -0.33
Answer: C
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Find the indicated quantity of the arithmetic sequence.a1 = 29, an = -464, d = -17; find n
A. -4 B. 47 C. 29 D. 30
Find the sum.[-2 + (-20)] + [(-5) + (-12)]
A. -39 B. -35 C. 5 D. -25
Solve the problem.An elliptical riding path is to be built on a rectangular piece of property that measures 10 mi by 4 mi. Find an equation for the ellipse if the path is to touch the center of the property line on all four sides.
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1