She says the absolute value of -5 is 5 why is this statement correct

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?

Lydia collected two sets of data one set of data shows an outlier. which set has an outlier, and which number is the outlier?

At noon a tank contained 10cm water. after several hours it contained 7cm of water. what is the percent decrease of water in the tank?