Multiple Choice
I have a piece of cardboard that is twice as long as it is wide. If I cut a 3-inch by 3-inch square from each corner and fold up the resulting flaps, I get a box with a volume of 240 cubic inches. What are the dimensions of the cardboard?
A) 11 inches by 22 inches
B) 10 inches by 20 inches
C) 14 inches by 28 inches
D) 12 inches by 24 inches
E) 8 inches by 16 inches
Correct Answer:

Verified
Correct Answer:
Verified
Q285: Solve the equation. <img src="https://d2lvgg3v3hfg70.cloudfront.net/TBX8808/.jpg" alt="Solve the
Q286: Factor the trinomial. <img src="https://d2lvgg3v3hfg70.cloudfront.net/TBX8808/.jpg" alt="Factor the
Q287: The equation is already in factored form.
Q288: Solve the equation. <img src="https://d2lvgg3v3hfg70.cloudfront.net/TBX8808/.jpg" alt="Solve the
Q289: What polynomial, when factored, gives <img src="https://d2lvgg3v3hfg70.cloudfront.net/TBX8808/.jpg"
Q290: The equation is already in factored form.
Q291: Factor the polynomial completely; that is, once
Q293: Factor the expression by taking out the
Q294: Factor the expression as the sum or
Q295: Use factoring by grouping to solve the