Solve the following circle graph problems.If total expenses are $1,025 and the cost of food is $205, how many degrees in a circle graph would food represent?
A. 90°
B. 60°
C. 72°
D. 54°
Answer: C
Mathematics
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Show that the function is a solution of the wave equation.w(x, t) = e-9ct cos -9x
A. No B. Yes
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Find the flux of the vector field F across the surface S in the indicated direction.F = x5y5i + yj - zk; S is the portion of the parabolic cylinder z = 16 - y2 for which 
and 6 ? x ? 10; direction is away from the x-y plane
A. 512 B. 256 C. -512 D. 0
Mathematics
Use the Comparison Test to determine whether the improper integral converges or diverges.
A. converges B. diverges
Mathematics
Graph the curve over the given interval together with its tangent at the given value of x. Graph the tangent with a dashed line.y = cot(x), -2? ? x ? 2?, x = 
A. 
B. 
C. 
D. 
Mathematics