Plot the following points on the graph sheet. Verify if they lie on a line (a) A(4,0), B(4,2), C(4,6) D(4, 2.5)
(b) P(1,1), Q(2,2), R(3,3), S(4,4)
(c) K(2,3), L(5,3), M(5,5), N,5)

Sanya noticed that the temperature was falling at a steady rate of 1.4 degrees every hour from the time that she first checked her outdoor thermometer. by 6 a.m., the temperature had fallen 21 degrees. which expression can you use to find how many hours earlier she had first checked the thermometer?

Due to financial difficulties the owner of 4 skateboard stores is going to close 2 of his stores. based on the money earned at each store, which two stores should remain open?

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