Find u ? v, where ? is the angle between the vectors u and v. Round the answer to the nearest tenth.
= 6, 
= 8, ? = 
A. 96
B. 24
C. 55
D. 41.6
Answer: B
Mathematics
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Solve the problem.Jennifer's annual salary increased from $24,000 to $49,000 over the last five years. Find the percent increase in her salary during this time period. Round to the nearest tenth of a percent.
A. 104.2% B. 10.4% C. 51.0% D. 1.0%
Mathematics
Solve the problem.Let f(x) = 
. Find a function y = g(x) so that (f ? g)(x) = x.
A. g(x) = 
B. g(x) = 
C. g(x) = 
D. g(x) = x(x - 7)
Mathematics
Find the future value of the annuity. Round to the nearest cent.a1 = $100
I = 0.1
n = 8
A. $194.87 B. $948.72 C. $1143.59 D. $2143.59
Mathematics
Use the quadratic formula or graphing methods to solve the inequality.4x2 > 4x + 4
A. x > 
? 1.618
B. 
? -0.618 < x < 
? 1.618
C. x < 
? -0.618 or x > 
? 1.618
D. x < 
? -0.618
Mathematics