Solve the subtraction equations by using fraction models. 1. 1
4 5 - 5 2 7 =
2. 1 2 4 - 8 1 10 =
3. 1
2 3 - 2 2 3 = 4. 3

4 2 - 1 1 2 =

5. 1
3 3 - 1 1 4 =
sorry i copy and paste this and sorry again if this is not in order. And who ever answer my question will get (20) points! This might be confusing just saying.

You are cycling around europe with friends. a cycling festival is starting soon in barcelona. it will take 4.5 hours to cycle there. how many minutes in total is this?

Find the value of p for which the polynomial 3x^3 -x^2 + px +1 is exactly divisible by x-1, hence factorise the polynomial

Me with this assignment ! i only partially understand, so explain. also it's a work sample. at the championship bike race, steve and paula were fighting for first place. steve was 175 feet ahead of paula and had only 300 feet left to go. he was very tired and was going only 9 feet per second. paula was desperate to catch up and was going 15 feet per second. who won the bike race and by how far did she/he win?