Let a and b be positive numbers. Determine whether the statement is true or false.(-a)(-a) is a negative number.
A. True
B. False
Answer: B
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Solve the problem.If cos ? = 
, ? in quadrant IV, find the exact value of sin
A. 
B. 
C. 
D. 
Factor the trinomial completely, or state that the trinomial is prime.9y4 - 39y3 + 36y2
A. 3y2(3y - 4)(y - 3) B. 3y2(3y - 4)(y + 3) C. 3y2(3y + 4)(y - 3) D. y2(3y - 4)(y - 3)
Write the number as indicated.A company had net revenues of $2,800,285 in one year. Write this amount in words.
A. Two million, eighty thousand, two hundred eighty-five dollars B. Two million, eight hundred thousand, two thousand eighty-five dollars C. Two million, eight hundred thousand, two hundred eighty-five dollars D. Two million, eight thousand, two hundred eighty-five dollars
Solve. You may use the Mathematics Blueprint for Problem Solving.Jake is paid $17,000 per year plus a sales commission of 4% of the value of his sales. Last year he sold $630,000 worth of products. What percent of his total income was his commission? Round to the nearest whole percent.
A. 6% B. 60% C. 59% D. 61%