Expand the expression using the Binomial Theorem.(x4 + 4y)4
A. x8 + 16x7y +24x6y2 + 16x4y3 + 4y4
B. x16 + 12x12y + 96x8y2 + 192x4y3 + 256y4
C. x8 + 12x7y + 96x6y2 + 192x4y3 + 256y4
D. x16 + 16x12y + 96x8y2 + 256x4y3 + 256y4
Answer: D
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Solve.A rectangular box with volume 517 cubic feet is built with a square base and top. The cost is $1.50 per square foot for the top and the bottom and $2.00 per square foot for the sides. Let x represent the length of a side of the base in feet. Express the cost of the box as a function of x and then graph this function. From the graph find the value of x, to the nearest hundredth of a foot, which will minimize the cost of the box.
A. 8.79 feet B. 8.83 feet C. 8.91 feet D. 8.49 feet
Use cross products to determine whether the proportion is true or false.
= 
A. True B. False
Fill in the blank with one of the words or phrases listed below.
A polynomial with exactly 3 terms is called a 
.
A. trinomial B. FOIL C. monomial D. binomial
Solve the problem. When appropriate, round the solution to the nearest tenth. As needed, use the formula 
Find the pH if the [H3O+] = 6.3 × 10-2.
A. 1.8 B. 1.2 C. 2.8 D. 2.2