What is the difference between heterogeneous mixtures and homogeneous mixtures?

Giving 100 points asap bev has to cut her grandma's grass this weekend and wants to know exactly how much area she will be cutting. calculate the area of the polygon. be sure to show all your work and explain your answer.

Mr. rose asked his students to draw a quadrilateral with 4 unequal sides. draw an example of this kind of quadrilateral.

Find the volume of the solid bounded by the plane z=0 and the paraboloid z=1-x^2 –y^2