Multiply using the rule for the product of the sum and difference of two terms. Assume any variable exponents represent whole numbers.(12x - 11y + 3)(12x - 11y - 3)
A. 144x2 - 264xy + 121y2 - 9
B. 24x2 + 22y2 - 6
C. 144x2 + 121y2 - 9
D. 12x2 - 132y2 + 11y2 - 3
Answer: A
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Evaluate the expression.
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A. 
B. 
C. 
D. 
Solve the problem.A deli sells three sizes of chicken sandwiches: the small chicken sandwich contains 6 ounces of meat and sells for $2.50; the regular chicken sandwich contains 10 ounces of meat and sells for $3.00; and the large chicken sandwich contains 12 ounces of meat and sells for $3.50. A customer requests a selection of each size for a reception. She and the manager agree on a combination of 44 sandwiches made from 24 pounds 8 ounces of chicken for a total cost of $126. How many of each size sandwich will be in this combination? (Note: 1 pound = 16 ounces)
A. 22 small sandwiches, 10 medium sandwiches, 12 large sandwiches. B. 18 small sandwiches, 22 medium sandwiches, 4 large sandwiches. C. 20 small sandwiches, 16 medium sandwiches, 8 large sandwiches. D. 16 small sandwiches, 12 medium sandwiches, 16 large sandwiches.
Determine the x values that cause the polynomial function to be (a) zero, (b) positive, and (c) negative.f(x) = (2x2 + 9)(x - 4)2(x + 3)3
A. (a) {-3, 4}, (b) (-3, 4) ? (4, ?) (c) (-?, -3) B. (a) {-3, 4}, (b) (4, ?), (c) (-?, 4) C. (a) {-3, 4}, (b) (-3, 4) (c) (-3, ?) ? (4, ?) D. (a) {-3, 4}, (b) (-3, ?), (c) (-?, -3)
Use a sketch to find the exact value of y.y = sin(tan-1 2)
A. 
B. 2
C. 
D. 5