Order the ratios from least to greatest

Hello everybody. can anybody me come up with detailed study plan on what topics to study from algebra 1 & 2, trig, and any other topic nesscery for success as a new beginner in pre-calculus. i dont have much math history but the basics. this will greatly me.

Complete the solution of the equation. find the value of y when x equals to 6 4x+y=20

What is the perimeter of an isosceles triangle with each leg measuring 2x+3 and the base measuring 6x-2?