How to divide a fraction to find equivalent fractions?

5.(04.07) two different plants grow each year at different rates, which are represented by the functions f(x) = 4* and g(x) = 5x + 2. what is the first year the f(x) height is greater than the g(x) height? year 3 year 0 year 2 year 1

Use set buikder notation to represent the following set: {, -2, -1, 0}

The equation x2 – 1x – 90 = 0 has solutions {a, b}. what is a + b?