Which expression is equivalent to 5y + y - 2y? 5y + 3y 8y 4y 3y

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?

Find all the angles that satisfy the equation cos(θ)=32

What is the location of maximum over the interval [-3,1.5] for the graphed function?