Find the best buy (based on cost per unit).You have a coupon for 63 cents off Brand A cereal and a coupon for 39 cents off Brand B. A box of 
cereal costs $2.84 for 10.5 ounces. A box of Brand B cereal costs $4.88 for 19.5 ounces. If you use a coupon, which cereal is the better buy?
A. Equal value
B. Brand A
C. Brand B
D. Not enough information
Answer: B
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Write a differential formula that estimates the given change in volume or surface area.The change in the volume V = ?r2h of a right circular cylinder when the height changes from h0 to 
and the radius does not change
A. dV = 2?rh0 dh B. dV = ?r02 dr C. dV = ?r2h0 dh D. dV = ?r2 dh
Find the solution set for the equation.3|x - 3| = 18
A. {9, -3} B. ? C. {3} D. {3, -9}
Solve.6t-2 - 3t-1 - 3 = 0
A. 2, - 1
B. 
, -1
C. - 
, 1
D. - 2, 1
Use the Binomial Theorem to expand the binomial and express the result in simplified form.(x2 + 4y)4
A. x8 + 16x6y + 96x4y2 + 256x2y3 + 256y4 B. x8 + 12x6y + 96x4y2 + 192x2y3 + 256y4 C. x6 + 12x5y + 96x4y2 + 192x2y3 + 256y4 D. x6 + 16x5y +24x4y2 + 16x2y3 + 4y4