Which integer can be placed under the radical to make the statement true (picture link)

Simplify (a/b - b/a) times (a - a^2/a+b) a - a^2/a=b is a mixed number

Choose all that apply. select all of the fees a credit card may have. annual fee apr balance transfer fee cash advance fee late fee overdraft fee over-the-limit fee

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