What is the constant of proportionality in the equations x/y=2/9

A) 2/9

B) 2

C) 9/2

D) 9

Five times the difference of a number and 3?

Find the 6th term of the sequence which has a first term of 72 and has a common ratio of 0.5

Today, the sum of the ages of Bea and her sister is 18. What would be the sum of their ages next year?

The sum of two consecutive integers is - 207

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20 ounces to 25 ounces find the percent of change

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What is the solution to 3/4 (x+8) = 9