let a(x) be the amount of money remaining on hiliarys gift cards after purchasing x apps on her phone

Factor the polynomial by its greatest common monomial factor.

Paul can type 60 words per minute and jennifer can type 80 words per minutes.how does paul's typing speed compare to jennifer's

Mikes car gets an average of 28 mpg. there are 12 gallons of fuel in mikes car when he starts his trip of 140 miles. about how many gallons are left at the end of his trip?