Someone plz help. I need help ASAP

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 of the following expressions are equivalent ?

17 in long 1.3 ft wide and 8in high what is the volume