Can someone help me with this math problem please?

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.

Which expression is equivalent to 2^4y^3

What is the missing constant term in the perfect square that starts with x^2 -20x