After earning interest, the balance of an account is $420. the new balance is 7/6 of the original balance. write an equation that can be used to find the original balance b of the account.

How many days was the temperature above 90 degrees?

Solve the problem. a student earned grades of c, a, b, and a in four different courses. those courses had these corresponding numbers of credit hours: 4, 5, 1, and 5. the grading system assigns quality points to letter grades as follows: a = 4, b = 3, c = 2, d = 1, and f = 0. compute the grade point average (gpa) and round the result to two decimal places. 3.40 3.50 8.75 2.18

If a || b and e || f , what if the value of y ?