Which lines have a y-intercept at (0,4)left parenthesis, 0, comma, 4, right parenthesis?

Assume cd | ab are parallel. find m2. a) x= 50° (b) x = 70° c) x = 30° d) x = 60

Can someone check my answer? you : )

Adriana had a garden where he measured the height of a corn plant. what. on the first day,it was 145 cm tall.after 2 weeks is grew by 23 cm.what is the height of the corn plant