Rectangular coordinates of a point are given. Use a graphing utility in radian mode to find polar coordinates of the point.(6, 8) Express ? to three decimal places.
A. (10, 0.927)
B. (14, 0.644)
C. (10, 0.848)
D. (10, 0.644)
Answer: A
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Use the Trapezoidal Rule with n = 4 steps to estimate the integral.
A. - 
B. - 
C. -1 - 
D. - 
Two sides and an angle are given. Determine whether the given information results in one triangle, two triangles, or no triangle at all. Solve any triangle(s) that results.B = 43°, b = 9, a = 28
A. one triangle A = 42°, C = 96°, c = 38.5 B. one triangle A = 41°, C = 95°, c = 37 C. one triangle A = 39°, C = 97°, c = 34 D. no triangle
Find the tax. Use $3700 for each personal exemption; a standard deduction of $5800 for single people, $11,600 for married people filing jointly, $5800 for married people filing separately, and $8500 for head of a household; and the tax rate schedule. 
Jennifer Binh is single and claims one exemption. Her salary last year was $93,074, and she had other income of $6256 and interest income of $8353. She has adjustment to income of $2486 for an IRA contribution. Her itemized deductions are $4122 in mortgage interest, $2408 in state income tax, $1586 in real estate taxes, and $806 in charitable contributions.
A. $19,268.75 B. $19,538.00 C. $20,412.16 D. $22,036.16
Solve by the substitution method.x + 6y = 505x + 5y = 50
A. (-2, 9) B. (1, 9) C. No solution D. (2, 8)