yesterday, the temperature at noon was 12 Fahrenheit. by midnight, the temperature had decreased by 16 degrees Fahrenheit. which expression represents at midnight?

If f(x)=x^3 and g(x)=2x+7 when g(x)=-5

Four individuals pool money together to start a new business and agree to split the profits equally. n invests $6,000, x invests $2,000, y invests $8,000 and z invests $4,000. if the profits for the first month were $100,000, y receives than if the profits were divided in proportion to how much they invested.

Marina baked cookies. she gave 3/4 of the cookies to the scout bake sale. she shared the remaining 6 cookies with her friends. how many cookies did marina bake?