Please help with this

•line a and b are parallel

•line m and n are parallel

•angles 1 and 3 are congruent (vertical angles)

•angle 3 and 5 are parallel (diagonals of an parallelogram are always congruent) it's the property of an parallelogram

•angle 5 and 7 are congruent (vertical angles)

So therefore angle 1 and 7 are congruent

Hope this helps

for a it would be 24 children.

for b i don't understand the question. is it saying for each individual person they pick 5 reds to 7 greens or is it the whole group. clarify and i hope this can you.

step-by-step explanation: