Can someone me with these 2 questions?

4.jada has read 3/5 of a book. she has read 75 pages so far. how many pages are in the whole book?

5. main bikes 6 3/4 miles today, and noah biked 4 1/2 miles. how many times the length of noah's bike was mai's bike ride?

You are remodeling your kitchen. you’ve contacted two tiling companies who gladly told you how long it took their workers to tile of a similar size jim completed half the floor in 8 hours. pete completed half of the other floor in 7 hours. if pete can lay 20 more tiles per hour than jim, at what rate can jim lay tiles

Me asap on # : explain how factoring a trinomial, ax^2+ bx+ c, when a does not equal 1 different from factoring a trinomial when a = 1.

Which of the following equations is equivalent to x/3-6/x=1