Fill in the blank with one of the words or phrases listed below. 
If cross products are 
the proportion is true.
A. not equal
B. right
C. congruent
D. equal
Answer: D
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Solve the equation using the square root property.(x + 4)2 - 9 = 0
A. {-3, 3} B. {-7, - 1} C. {-7} D. {- 1}
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. 
servings of kidney beans and no refried pinto beans
C. 4 servings of refried pinto beans and 
servings of kidney beans
D. 
servings of refried pinto beans and 4 servings of kidney beans
Find all solutions of the equation in the complex number system.(x + 9)2 = -3
A. {-9 + i
, -9 - i
}
B. {-6, 12}
C. {-9 - 
}
D. {-9 + 
, -9 - 
}
Factor the sum or difference of two cubes completely.t3 + 64
A. (t - 64)(t + 1)(t - 1) B. (t + 4)(t2 + 16) C. (t + 4)(t2 - 4t + 16) D. (t - 4)(t2 + 4t + 16)