Find the value of x for which m||n.

A. Can't be determined.
B. 21
C. 8
D. 19

X=21

Step-by-step explanation:

38 is a supplementary angle with 142. If you plug in 8x-26=142 and work it out, you'll get 21.

on a coordinate grid, point a is at (−4.0, −2.4) and point b is at (4.0, −2.4). point b is a reflection of point a across the –axis. input either a lowercase x or i think is the right awnser

step-by-step explanation:

to find the perimeter, you add up all the lengths of the sides. in this case you would have to add up 18+22+40+80 which equals 160.