Nature's best wants to combine nuts they sell for $3.60 a
pound with dried fruit they sell for $2.40 a pound to create
a trail mix. how much of each snack should they use to
make 10 pounds of trail mix that would sell for $3.30
a pound?

Jackie purchased 3 bottles of water and 2 cups of coffee for the family for $7.35. ryan bought 4 bottles of water and 1 cup of coffee for his family for 7.15. how much does each bottle of water cost? how much does each cup of coffee cost?

If the ratio of sum of the first m and n terms of an ap is m2 : n2 , show that the ratio of its mth and nth terms is (2m − 1) : (2n − 1).

Solve the equation by completing the square. x^2+2x=17