What is the highest degree in x³ - x²y² - y² + 2

1. how do you convert the repeating, nonterminating decimal 0. to a fraction? explain the process as you solve the problem.

Find the area of the surface obtained by rotating the curve z=4e^2y from y = 0 to y =1 about the y-axis. the area is square units

What is being done to the variable in the equation 3 + g = -9? the number 3 is being added to it. the number 3 is being subtracted from it. the number -9 is being added to it. the number -9 is being subtracted from it.