What is the proportion for 2/3 and 8/10

Use the x-intercept method to find all real solutions of the equation.x^3-10x^2+27x-18=0

Write an expression that represent sarah’s total pay last week.represent her hourly wage with w monday 5 tuesday 3 wednesday 0 noah hours wednesday 8 only with w wage did noah and sarah earn the same amount last week?

Find the domain and range of the following function f(x) = 51x - 21+ 4