Viviana earns $600 per week and spends 20% of those weekly earnings on her friends. How much money does Viviana spend on her friends each week?

Jessica is a custodian at oracle arena.she waxes 20 m2 of the floor in 3/5 of an hour. jessica waxes the floor at a constant rate.at this rate how many sqaures meters can she wax per hour

You can find the constant of proportionality by finding the ratio of

F(n + 1) = f(n) – 8. if f(1) = 100, what is f(6)?