Please graph as this coordinate plane is. Thank you

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?

Factor the expression using gcf 9b+45

Which strategy is used by public health to reduce the incidence of food poisoning?