Find the sum Sn of the first n terms of the geometric sequence. 5, 15, 45, 135, 405, . . . ; n = 11
A. 442,865
B. 442,845
C. 442,867
D. 442,902
Answer: A
Mathematics
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Find an exponential model for the following data set. Round your answer to two decimal places. t 0 2 4 6 y 3.07 3.71 4.49 5.43?
A. ?
B. ?
C. ?
D. 
Mathematics
Use an Euler diagram to determine whether the argument is valid or invalid.Not all that glitters is gold.My ring glitters. My ring is not gold.
A. Valid B. Invalid
Mathematics
Solve the problem.Given the velocity and initial position of a body moving along a coordinate line at time t, find the body's position at time t.v = 
sin 
, s(?2) = 2
A. s = -2 cos 
+ 8
B. s = 2 cos 
+ 4
C. s = -2 cos 
+ 3
D. s = -2 cos 
+ 4
Mathematics
Divide.-0.158 ÷ (-0.2)
A. 0.79 B. -0.358 C. 7.9 D. -0.79
Mathematics