Solve the percent problem.Midtown Antiques collects 3% sales tax on all sales. If total sales including tax are $1081.30, find the portion that is the tax.
A. $1049.81
B. $31.49
C. $32.44
D. $21.49
Answer: B
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Write the following as an algebraic expression in u, u > 0.sin 
A. 
B. u
C. 
D. 
Find the vertices of the hyperbola.9x2 - 25y2 = 225
A. (-5, 0), (5, 0) B. (0, 3), (0, -3) C. (0, 5), (0, -5) D. (-3, 0), (3, 0)
For the given exponential function, find a) the average rate of change for the interval [3, 5] and b) the interval [3.5, 4.5], as well as c) the rate of change at x = 4. Round all calculations to the nearest hundredth. f(x) = ex - 3 - 5
A. a) 3.58 b) 2.96 c) 2.72 B. a) 2.72 b) 2.83 c) 3.19 C. a) 3.19 b) 2.83 c) 2.72 D. a) 2.72 b) 2.96 c) 3.58
Solve the following.Find all points of the graph of f(x) = 2x2 + 6x whose tangent lines are parallel to the line y - 18x = 0.
A. (3, 36) B. (6, 108) C. (4, 56) D. (5, 80)