Which expression has a value that is less than the base of that expression? 2 to the 3rd power 3 to the 2nd power 4 to the 4th power

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?

Find the distance between (7,-6) and (-3,-9)

Afamily went out to dinner and their bill was $113.if they want to leave a 19% tip, how much should they leave.