Find the sum of the common factors of 8 and 12

Which formula gives the area of a triangle? a=1/2(b+h)

What is the number 321,000,000 in scientific notation? also what is the number? ?

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.