A boy starts the week with 3kg of rice, every day he cooks 0.6kg. How much rice will he have left after 4 days?

If 10 men take 18 days to mow 60 acres of grass, how long will 15 men take to mow 80 acres?

In the diagram, ab is tangent to c, ab = 4 inches, and ad = 2 inches. find the radius of the circle.

Ethan is proving that the slope between any two points on a straight line is the same. he has already proved that triangles 1 and 2 are similar. drag statements and reasons to complete the proof.