louise has $15 in five-dollar bills and single. Use x to represent the number of five-dollar bills and y to represent the number of singles

Write the equation for the parabola that has x− intercepts (−2,0) and (4,0) and y− intercept (0,4).

Ebuka's monthly rent is $750. if ebuka pays the rent late, his landlord charges 4% interest per week that the payment is late. write a function that gives the total cost r(t), in dollars, of ebuka's rent if he pays it t weeks late.

What ratio is proportional to 18/21