Taylor writes an expression with 5 terms. all 5 terms are like terms. how many terms are in the equivalent expression with the least number of terms? explain

Abike shop sells you a bicycle for $63 and a helmet for $21. the total cost is 150% of what the shop spent originally. how much did the shop spend originally? how much profit did the bike shop earn by selling the bicycle and helmet to you ?

Sasha drank 8 bottles of water everyday for a week. how many bottles of water did she drink in total?

Which representation has a constant of variation of -2.5