The sum of 1/9 and an unknown positive fraction is a fraction with denominator 18 when simplified. if the sum is less than 1, determine what sums are possible.

Which of the following graphs represents the function f(x) = 2^x

7. if the value of x varies directly with the value of y, and x = 3 when y = 21. what is the valu y, and x = 3 when y = 21. what is the value of x when y = 105?

Write an expression that has three terms and simplifies to 4x - 7. identify the coefficient(s) and constant(s) in your expression