A 150 pound man burns 11.96 calories per minute while
running. He burns 4.5 calories per minute while walking.
He runs for x minutes and exercises for a total of 55
minutes. Write an equation to figure out how many
calories, C, he burns.

12. the amount of money in a bank account decreased by 21.5% over the last year. if the amount of money at the beginning of the year is represented by ‘n', write 3 equivalent expressions to represent the amount of money in the bank account after the decrease?

Can any one me with the answers to these questions asap?

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?