Solve the problem.The area of a trapezoid is 30x2 - 15x. The area of a smaller trapezoid is 20x - 10. Find an expression, in factored form, for the difference of the areas of the two trapezoids.
A. 5(2x + 1)(3x - 2)
B. (5x - 1)(6x - 1)
C. 5(2x - 1)(3x - 2)
D. 5(3x - 1)(2x + 2)
Answer: C
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Analyze the situation and explain how you would make a decision.Your current cell phone company charges $30 per month for unlimited minutes. Another company charges $20 per month for the first 500 minutes plus 5¢ a minute for any additional minutes. Should you keep your current service or switch to the other company?
What will be an ideal response?
Evaluate the integral  figures 4.png)
f(x, y, z)dV where f(x, y, z)= xy + yz and B = { x, y, z) | 0 ? x ? 2, -1 ? y ? 1, 0 ? z ? 3} with respect to x, y, and z, in that order.
Select the correct answer. a. 4 b. 28 c. 36 d. 24
Solve the problem.A radio transmission tower is 170 feet tall. How long should a guy wire be if it is to be attached 14 feet from the top and is to make an angle of 35° with the ground? Give your answer to the nearest tenth of a foot.
A. 190.4 feet B. 272.0 feet C. 296.4 feet D. 207.5 feet
Evaluate the algebraic expression for the given value(s).
, given x = 6, y = 4
A. 1 B. 0 C. 2 D. 3