Express 4x^-4
with a positive exponent.

Write an algebraic expression to match each statement a. four less than 8 times a number b. twice the difference of a number and six c. nine from a number squared

Write a fraction less than 1, which has a denominator of 6 and is greater than 3/4 plz answer !

The suare root of 9x plus 7 plus the square rot of 2x equall to 7