Find the value of x y and z​

Which fraction below is equivalent to 10/12?

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?

Abacteria population is tripling every hour. by what factor does the population change in 1/2 hour? select all that apply