A) A= { x thuộc N / x = ab, a = 3b} b) B= {x thuộc N / 20 chia hết x }
c) C= {x thuộc N / x chia hết 2 và 30 < x < 46 }
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Solve the equation using the given values: x= -2.5; y= -7.51. 2xy + 2x²

Arectangle with an area of 47 m² is dilated by a factor of 7. what is the area of the dilated rectangle? enter your answer in the box. do not leave your answer as a fraction.

33% of college students say they use credit cards because of the rewards program. you randomly select 10 college students and ask each to name the reason he or she uses credit cards. find the probability that the number of college students who say they use credit cards because of the rewards program is (a) exactly two, (b) more than two, and (c) between two and five inclusive. if convenient, use technology to find the probabilities.