The mean temperature for the first 7 days in January was 6 °C. The temperature on the 8th day was -3 °C.
What is the mean temperature for the first 8 days in January?

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.

Write 5(6x+4)-2(5x-2) in the form a(bx+c) where a,b and c integers and a> 1

Two numbers have a sum of -19. one number is x. what expression represents the other number?