Let A = {q, s, u, v, w, x, y, z}, B = {q, s, y, z}, 
and 
Specify the following set.C ? D
A. ?
B. {q, y, z}
C. {q, w, y}
D. {q, s, u, w, y, z}
Answer: A
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Use a half-angle formula to find the exact value of the expression.sin 
A. 
B. 
C. - 
D. - 
Decide what number must be added to the binomial to make a perfect square trinomial.x2 + 11x
A. - 
B. 
C. 
D. 22
For the food described, find the percent of total calories from fat. If necessary, round to the nearest tenth of a percent.Nutrition FactsServing Size 12 crackers (30g)Servings Per Container About 10Amount Per ServingCalories 110Calories from Fat 50 % Daily ValueTotal Fat 4g 6%Saturated Fat 0.5g 3%Polyunsaturated Fat 0g Monounsaturated Fat 1.5gCholesterol 0mg 0%Sodium 220mg 9% Total Carbohydrate 21g 7%Dietary Fiber 2g 7%Sugars 4gProtein 2gVitamin A 0% Vitamin C 0%Calcium 5% Iron 2%Phosphorus 9
A. 220% B. 45.5% C. 4.5% D. 50%
Write an algebraic equation and use it to solve the problem.The manager of a coffee shop has one type of coffee that sells for $5 per pound and another type that sells for $12 per pound. The manager wishes to mix 100 pounds of the $12 coffee to get a mixture that will sell for $7 per pound. How many pounds of the $5 coffee should be used?
A. 350 pounds B. 250 pounds C. 125 pounds D. 175 pounds