In January your Verizon cell phone bill costs $12 for 80 minutes and in March your bill costs $9 for 60 minutes. A) Determine whether the rate at which you are being charged for your phone bill is proportional to the amount of minutes being used. Explain.

Which expression can be used to determine the slope of the line that passes through the points -6, three and one, -9

Me, the vertices of quadrilateral coat are c(2,0), o(7,0), a(7,2) and t(2,2). prove that coat is a rectangle.

Three baby penguins and their father were sitting on an iceberg 0.50.50, point, 5 meters above the surface of the water. the father dove down 4.74.74, point, 7 meters from the iceberg into the water to catch dinner for his kids. what is the father penguin's position relative to the surface of the water?