Re send to last qa so can you please help on this sry about before forgot to add qa

Deshawn uses 3/4 of a box of rice to cook dinner the portion he uses weighs 12 ounces right and solve an equation to find the weight of the full box of rice

Find the area of the triangle shown 3 by 6

Solve the system of equations using the linear combination method. {4x−3y=127x−3y=3 enter your answers in the boxes.