In a survey, 50% of people preferred fruit cake, 15 preferred sponge cake, and the remainder preferred cheesecake. What percentage of people liked cheesecake the best?

Can someone me with my hwplz(only the circled ones)

Danielle earns a 7.25% commission on everything she sells at the electronics store where she works. she also earns a base salary of $750 per week. what were her sales last week if her total earnings for the week were $1,076.25?

Which expression shows the sum of the polynomials with like terms grouped together