Simplify: −2x−y−2z+4x−2y+3z​

Which statement describes surface features called maria on the moon

Check all that apply. f is a function. f is a one-to-one function. c is a function. c is a one-to-one function.

Find the power set of each of these sets, where a and b are distinct elements. a) {a} b) {a, b} c) {1, 2, 3, 4} show steps