Help plz :/ ASAP

How many grams must be adde to 970g to make 1 and a half kg

Write the equation for the parabola that has x− intercepts (−2,0) and (4,0) and y− intercept (0,4).

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.