Perform the indicated operations.4
2
A. 256x2 - 640x + 400
B. 64x2 - 160x + 100
C. 64x2 + 100
D. 64x2 - 40x + 25
Answer: B
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Use the two steps for solving a linear programming problem to solve the problem.Suppose that Janine desires 46 grams of protein and 38 grams of dietary fiber daily. One serving of kidney beans has 8 grams of protein and 6 grams of dietary fiber. One serving of refried pinto beans has 6 grams of protein and 6 grams of dietary fiber. If a serving of kidney beans costs $0.45 and a serving of refried pinto beans costs $0.35, then how many servings of each should Janine eat to minimize cost and still meet her requirements?
A. 
servings of refried pinto beans and no kidney beans
B. 4 servings of refried pinto beans and 
servings of kidney beans
C. 
servings of kidney beans and no refried pinto beans
D. 
servings of refried pinto beans and 4 servings of kidney beans
State the property of real numbers that is being illustrated.(1 + 9) + 5 = (9 + 1) + 5
A. commutative property of addition B. associative property of addition C. additive inverse property D. distributive property
Factor, if possible.x3 - 64
A. (x + 4)(x2 - 4x + 16) B. (x - 4)(x2 + 4x + 16) C. (x + 64)(x2 - 1) D. (x - 4)(x2 + 16)
Given the set sketched on the number line, identify the type of interval (open, closed, half-open, open infinite, closed infinite), write the set using set-builder notation, and write the set using interval notation.
A. half-open interval; {x|-8 < x ? -4}; (-8, -4] B. closed interval; {x|-8 ? x ? -4}; [-8, -4] C. open interval; {x|-8 < x < -4}; (-8, -4) D. half-open interval; {x|-8 ? x < -4}; [-8, -4)