Of 54 cities, 7 have a lake and 25 have a river running through them. What fraction of these 54 cities have a lake or a river running through them? Show your work.

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 expression gives you the distance between the points (5,1)and(9,-6)

What are the solutions to the following equation? |m| = 8.5 the value of m is equal to 8.5 and because each distance from zero is 8.5.