Given the following data what is the interquartile range? 23,26,11,36,47,18,53,62,31

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?

Any is very appreciated! (picture is provided below)not sure how to do this at all won't lie

Question b of 10which of the following describe an angle with a vertex at a? check all that applyo a. labcов. савd dooo c_baco d. zacb