An angle measures 78 degrees more than the measure of a complementary angle. what is the measure of each angle?

Select all the correct answers. what is 221,000,000,000,000,000,000 expressed in scientific notation?

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 f(x)=3x+1 and f^-1=x-1/3, then f^-1(7)=