H= F/g Solve for F algebra 1

For what values of the variable x is the expression square root of 7x+14+ square root of 7-x a real number?

Solve the following inequalities and show the solution on a number line. 3/4 (2x-7) ≤ 5

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.