Jim needs 3 1/2 of burlap to cover his bulletin board. his brother gives him 1 1/6 yards. how much more does jim need to purchase?

The rows and columns of lattice points in a three-by-three square array are evenly spaced one unit apart. how many distinct triangles with at least one side of length 2 units can be drawn using three lattice points for the vertices?

Dylan and dusty plan to take weekly surfing lessons together. if the 2-hour lessons are $20 per person and they plan to spend $100 each on new surfboards, what is the maximum number of lessons the two can take if the total amount spent for lessons and surfboards is at most $480?

How are sas and sss used to show that two triangles are congruent?