Step-by-step explanation:
area of trapezoid=(a+b)×h divided by 2
=(9+19)×4 divided by2
=28×4 divided by2
=112 divided by 2
=56m square
Answer:
option A is the correct answer

Get x to one side
So minus 90 from each side

-90÷-3=30
Answer: x=30
Answer:
y=-2x-7
Step-by-step explanation:
Hope this helps, have a nice night! (^-^)