Determine whether the expression is a partial sum of an arithmetic or geometric sequence. Then find the sum. : 5 + 25 + 125 + ... + 15625
What will be an ideal response?
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Solve the problem.Find an equation for the level surface of the function f(x, y, z) = 
d? - 
dt that passes through the point (0, ln 3, ln 4) .
A. ey + ez - 
= -1
B. ey - ez + 
= 1
C. ey + ez - 
= 1
D. ey - ez + 
= -1
Determine the value of the literal numbers in the given matrix equality.
=
A. a = 5, x = 5 B. a = 9, x = 5 C. a = 9, x = 9 D. a = 5, x = 9
Find the angle between u and v in radians.u = -3i - 5j, v = 3i + 5j + 3k
A. 1.59 B. -1.10 C. 2.67 D. 2.03
Solve the problem.A small business owner made $60,000 the first year he owned his store and made an additional 
over the previous year in each subsequent year. Find how much he made during his fourth year of business. Find his total earnings during the first four years. (Round to the nearest cent, if necessary.)
A. $781,926.00; $1,584,066.00 B. $43.74; $65,929.74 C. $77,701.74; $274,387.74 D. $411,540.00; $802,140.00