Solve for x, given the equation square root of x minus 5 + 7 = 11

Aword processing program requires a 7- digit registration code made up of the digits 1,2,4,5,6,7 and 9 each number has to be used and no number can be used mor than once how many codes are possible

Whats the theoretical probability of popping a polka dot balloon? express your answer as a fraction, decimal and percent solid 15 polka dot 5 striped 17 plzz me due tomorrow

What is the value of -3/4 to the 4th power? -256/81 -81/256 81/256 256/81