20 is the area as long as y is the measure of the base
If I'm looking at it right I believe it would be 2 inches... If that wasn't right I'm really sorry.
Answer:
(a) 
Step-by-step explanation:
Given
See attachment
Required
Which must be true
implies that:
The following sides are corresponding



The following angles are corresponding



From the given options, only option (a) is true because:

Answer:Multiply the top equation by -3 , then add the questions .
Step-by-step explanation: