Answer:
x=5
Step-by-step explanation:
add 5 to both sides
-20+5 = -3x
-15=-3x (divide)
x=5
Answer:
ABC is more than 90 Degrees because it is an Obtuse Angle
ADC is less than 90 Degrees because it is an Acute Angle
I don't know the exact answer but I hope this helps you a little!
Answer:

Step-by-step explanation:

Answer: Mary
Step-by-step explanation: 2:3 x 2 = 4:6
Answer:
4
Step-by-step explanation: