Use the reference angle to find the exact value of the expression. Do not use a calculator.cot 
A. - 
B. 
C. -
D. 
Answer: B
Mathematics
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Use a definite integral to find an expression that represents the area of the region between the given curve and the x-axis on the interval [0, b].y = 12?x2
A. 24?b B. 4?b3 C. -24?b D. -4?b3
Mathematics
Solve the problem.Jason is paid $500 per month plus a commission of 4% of the first $2,500 of his sales, and 6% of his sales over $2,500. Last month his sales totaled $18,100. Find Jason's gross pay for the month.
A. $1536.00 B. $3396.00 C. $2310.00 D. $1686.00
Mathematics
Write the number in decimal form.4.5775 × 107
A. 320.425 B. 4,577,500 C. 457,750,000 D. 45,775,000
Mathematics
Use a graphing utility to graph the curve defined by the given parametric equations.x = 3 cos t, y = 2 sin t; 0 ? t ? 2?
A. 
B. 
C. 
D. 
Mathematics