Johnny invests $8000 in a bank account that obtains a simple interest rate of 4% per year. a. Write a function to represent how much money, y, is in the account after x years.
b. Use your equation to determine how much money is in the account after 20 years.
Please help!

Aswim teacher sells lesson packages. the best deal has the highest ratio of lessons to total cost. swim lesson packagesnumber of lessons total cost$10$4010 1 $8015$80which package is the best deal? l lesson for $105 lessons for $4010 lessons for $8015 lessons for $80mark this and returnsave and exit

Sweet t saved 20 percent of the total cost of the green-eyed fleas new album let there be fleas on earth. if the regular price is $30 how much did sweet save

Angle that produces maximum distance