Solve the problem.A chemical solution contains 1% potassium. How much potassium is in 
of solution?
A. 250 mL
B. 25 mL
C. 0.25 mL
D. 0.025 mL
Answer: D
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Solve the problem.Find the volume of the solid generated by revolving the region in the first quadrant bounded by the coordinate axes, the curve y = e-3x, and the line x = 6 about the y-axis.
A. 
?(1 - 18 e-18)
B. 
?(1 - 19 e-18)
C. - 
?(1 + 19 e-18)
D. 
?(1 - 17 e-18)
Solve the problem.The following table gives data on two different solar modules being developed for use in roofing.
You must determine the size of the frame needed to support each panel on a roof. (Note: The sides of each frame will form a right triangle, and the hypotenuse of the triangle will be the width of the panel.) Use the Pythagorean theorem to find the dimensions of the legs for each frame if one leg is twice the length of the other. Round your answers to the nearest tenth when necessary.
A. ABC-01: 2.6 in. by 5.2 in. ABC-02: 2.3 in. by 4.6 in. B. ABC-01: 2 in. by 4 in. ABC-02: 1.8 in. by 3.6 in. C. ABC-01: 8.9 in. by 17.9 in. ABC-02: 7.2 in. by 14.3 in. D. ABC-01: 11.5 in. by 23.1 in. ABC-02: 9.2 in. by 18.5 in.
Find the x- and y-intercepts for the equation. Then graph the equation.3x - 9y = 9
A. (0, -1), (3, 0)
B. (0, -1), (-3, 0)
Solve the problem.The width of a rectangular stamp is 1.10 cm greater than the length. If the width and length are both increased by 1.0 cm, the stamp would have a perimeter equal to 18.20 cm. What are the actual dimensions of the stamp?
A. 3.50 cm × 4.05 cm B. 3.00 cm × 4.10 cm C. 7.00 cm × 8.10 cm D. 3.00 cm × 8.20 cm