I NEED HELP ASAP. find the value of the variable that results in congruent triangles. A. 80
B. 10
C. 50
D. 30​

For the following sequence determine the common difference (if it is an arithmetic sequence) or the common ratio (if it is a geometric sequence).

What’s the domain of this function? fastttt

Which set of reflections would carry trapezoid abcd onto itself? a) x-axis, y=x, y-axis, x-axis b) x-axis, y-axis, x-axis c) y=x, x-axis, x-axis d) y-axis, x-axis, y-axis, x-axis