Factor and simplify the expression.sin2x + sin2x cot2x
A. 1
B. sin2x + 1
C. cot2x - 1
D. cot2x + 1
Answer: A
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Write each mixed number as an improper fraction.13
A. 
B. 
C. 182
D. 27
Solve the problem.The following chart shows a book publisher's monthly sales by book category for the first quarter of the year. Complete the totals by adding horizontally and vertically. 
A.
B.
C.
D.
Evaluate the expression.
+ 
A. 
B. 
C. 
D. 
Solve the problem.Jim wants to plan a meal with 150 grams of carbohydrates and 1400 calories. If green beans have 7 grams of carbohydrates and 30 calories per half-cup serving and french fried shrimp have 9 grams of carbohydrates and 190 calories per three-ounce serving, how many servings of green beans and shrimp should he use?
A. 15 half-cup servings of green beans and 5 three-ounce servings of shrimp B. 7 half-cup servings of green beans and 9 three-ounce servings of shrimp C. 9 half-cup servings of green beans and 7 three-ounce servings of shrimp D. 5 half-cup servings of green beans and 15 three-ounce servings of shrimp