2dollars 1quarter 12pennies+1dollar 1quarter 6dimes

Two blends of tea are mixed to make a blend that will be sold at the fair. black tea sells for $2.20 per pound and orange pekoe tea sells for $3.00 per pound. how much of each should be used to obtain a 4lb blend selling for $2.50 per pound?

Which of the following points is collinear with (-2,1) and (0,3)

State if the two triangles are congruent. if they are, state how you know?