How many minutes are in 3 5/12hours?

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 point is a solution to y s 4x + 5?

Find the area of the regular hexagon if a side is 20 cm.