Slope: -2/3 y-intercept: -8 find the linear equation

How do i get the answer for 2/3 * 10/3

In the diagram below, tan θ = sqrt 3. what is the value of m?

Acaterer charges $500 plus $30 per guest to cater a wedding. walt and traci don't want to spend more than $8000 on catering. write and solve an inequality in terms of the number of guests, g, that can be invited. a) 30g ? 8000; g ? 267 b) 500g < 8000; g < 16 c) 500 + 30g < 8000; g < 250 d) 500 + 30g ? 8000; g ? 250