Answer:
2a+7b+18
Step-by-step explanation:
combine the like terms
All you have to do is add those two numbers given and subtract by 180. all of the angles shall add up to 180 if not then you dic something wrong
Answer:
4x= 40
Step-by-step explanation:
40/4 = 10
.75 is the answer because it looks like division
Answer:
√20
Or
2√5
Step-by-step explanation:
It is very easy just substitute
It will be: