Find the vertex of the following quadratics by completing the squares a) y=x2+10x+6 b) y=-3x2+6x+l c) y=2x2-18x-18

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?

X+ y = 5 ; x - y =3 solve using linear combination

Jayne is studying urban planning and finds that her town is decreasing in population by 3% each year. the population of her town is changing by a constant rate.true or false?