Translate 4n=x(5-n) into a sentence

How can we find the measure of an exterior angle if we know the measurement of an interior angle

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?

Erin bought christmas cards for $2 each to send to her family and friends. which variable is the dependent variable?