Anyone wanna talk. what is the square root of 244​

Which statement is not always true for a parallelogram? (a) opposite sides are congruent. (b) diagonals bisect each other. (c) it has 4 congruent angles. (d) consecutive angles are supplementary.

If a || b and b | y, then ? a) x || y. b) x | a. c) a | y. d) a || y.

Use composition to determine if (x) or h(x) is the inverse of f(x) for the limited domain x2-1.