Solve the problem.Matthew has saved a total of $14,000, of which $3500 is invested in the stock market. What percent of his total savings is invested in the stock market?
A. 30%
B. 20%
C. 35%
D. 25%
Answer: D
Mathematics
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Evaluate the integral.
A. 346 B. 118 C. 154 D. 246
Mathematics
Find the curvature of the curve r(t).r(t) = (9 + ln(sec t))i + (7 + t)k, -?/2 < t < ?/2
A. ? = cos t B. ? = -cos t C. ? = 1 - cos t D. ? = sin t
Mathematics
Give the equation of the slant asymptote, if any, of the function.f(x) = 
A. y = x + 1 B. x = y + 1 C. y = x - 11 D. none
Mathematics
Simplify the expression. Assume that variables represent nonzero numbers.(-5x3y5)2
A. 25x6y10 B. 25x9y25 C. -25x6y10 D. -10x6y10
Mathematics