Answer:
angle D equal to 3 X + 20 + 7 x minus 3 x
=90 degree equal to x minus 3 X + 20
7 X equal to 70 X equal to 10
Answer:
x = 27
Step-by-step explanation:
Answer:
Did you ever get the answer
Step-by-step explanation:

so the slope of that line above is really -4/3, now

Answer:12
Step-by-step explanation: