A store pays $245 for radio. The store marks the radio up 65%. What is the selling price for the radio? Pls explain answer

Sara needs to take a taxi to get to the movies the taxi charges $4.00 for the first mile and then $2.75 for each mile after that if the total charge is $20.50 then how far was sara’s taxi ride to the movie

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

Can someone me out here and the tell me the greatest common factor