Find the real solutions of the equation.(9x + 2)2 + 10(9x + 2) + 21 = 0
A. 
B. 
C. 
D. 
Answer: B
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Find 
.y = 3 sin-1 (5x4)
A. 
B. 
C. 
D. 
Identify which of these types of sampling is used: simple random, stratified, systematic, or convenience.A market researcher selects 500 people from each of 10 cities.
A. Convenience B. Simple random C. Stratified D. Systematic
Provide an appropriate response.The demand function for a manufacturer's product is p = f(q) = 6 - q where p is price per unit when q units are demanded by consumers. Find the level of production that will maximize the manufacturer's total revenue and determine this revenue.
Fill in the blank(s) with the appropriate word(s).
Answer the question.Which phrase correctly translates the expression 13 - x?
A. 13 subtracted from x B. x less than 13 C. x minus 13 D. x take away 13