Solve the problem.The polynomial P(x) = 0.65x - 78 models the relationship between the number of pretzels x that a certain vendor sells and the profit the vendor makes. Find and interpret P(500).
A. 247; $247 is the profit the vendor makes from selling 500 pretzels.
B. 500; $500 is the profit the vendor makes from selling 500 pretzels.
C. 422; $422 is the profit the vendor makes from selling 500 pretzels.
D. 325; $500 is the profit the vendor makes from selling 325 pretzels.
Answer: A
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Rationalize the denominator.
A. 
B. 
C. 
D. 
Use the substitution method or the elimination method to solve the system. If the system has infinitely many solutions, express the ordered pair in terms of x or y. 7x - 7y = 6-14x + 14y = -24
A. (7, 6)
B. no solution
C. 
D. (2, 4)
Find the quotient.29 / 29
A. 1 B. undefined C. 29 D. 0
A geometric sequence is given. Find the common ratio and write out the first four terms.{sn} = {52n}
A. r = 25; s1 = 25, s2 = 625, s3 = 15,625, s4 = 390,625 B. r = 5; s1 = 25, s2 = 625, s3 = 15,625, s4 = 390,625 C. r = 25; s1 = 10, s2 = 20, s3 = 30, s4 = 40 D. r = 10; s1 = 10, s2 = 20, s3 = 30, s4 = 40