Solve the equation x2-4x+6=0 by completing the square

Find the area of an equilateral triangle with a side of 6 inches

If the average of x,y and z is 15 what is their sum

Eric and shiloh each have a savings account. the ratio of eric’s account balance to shiloh’s account balance is 4: 3. together they have a total of $140 in their accounts. use the tape diagram below to you determine the balance of eric’s account.