In the figure below, triangles PQR and POS are congruent.

PLS HELP

Amerchant has coffee worth $60 a pound that she wishes to mix with 50 pounds of coffee worth $90 a pound to get a mixture that she will sell for $70 a pound. how many pounds of the & 60 coffee should be used?

My hour hand points between the 8 and the 9 in 35 minutes it will be the next hour. what time is it ?

Harry the hook has 7 1/3 pounds of cookie dough.she uses 3/5 of it to bake cookie. how much cookie dough does she use to make cookie?