Multiply and simplify.(cos x - sin x)2
A. 1 - 2 sin x cos x
B. 1
C. cos2x + 2 sin2x
D. cos2x + 2 sin x - sin2x
Answer: A
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Write the following as a rate in lowest terms.7 pounds for 21 people
A. 
B. 
C. 
D. 
Use a grapher to approximate the area between the following curves:
Complete the income statement. Frank's Nursery had gross sales of $3,321,000 with returns of $51,000. The inventory on January 1 was $577,000. During the year $1,325,000 worth of goods was purchased with freight of $5200. The inventory on December 31 was $598,000. Wages and salaries were $84,200, rent was $12,800, advertising was $24,500, utilities were $6400, business taxes totaled $8200, and miscellaneous expenses were $8300.
A. 1) $3,321,000, 2) $51,000, 3) $3,270,000, 4) $1,309,200, 5) $1,960,800, 
B. 1) $3,321,000, 2) $51,000, 3) $3,270,000, 4) $1,298,800, 5) $1,971,200, 
C. 1) $3,321,000, 2) $51,000, 3) $3,372,000, 4) $1,309,200, 5) $2,062,800, 
D. 1) $3,321,000, 2) $51,000, 3) $3,270,000, 4) $1,309,200, 5) $1,960,800, 
Write the interval as an inequality involving x, and illustrate the inequality using the real number line.(-?, -2)
A. x ? -2
B. x < -2
C. x ? -2
D. x < -2