Answer:

Step-by-step explanation:
The given expression is 
We apply the distributive property to expand the parenthesis

Regroup similar terms to get:

Combine the similar terms to obtain:

The correct option is C.
I believe it would be 71 degrees because the total degrees of a triangle is 180 so 57+52=109 then 180-109=71 which would then be the final angle degree.
Hope I helped
Answer:
Scale factor: 3/2
Step-by-step explanation:
- ABCD is similar to DEFG
- We need to find DEFG from ABCD
- If we multiply values on ABCD by 3/2, then we get DEFG
- So, the scale factor is 3/2
ok for example, u need 5 decimal spaces and your number is 49 all you need to do and add zeros to add your decimal like this-------> 49---->1: 4.9----->2: .49 ---->3: .049----->4: .0049------>5: .00049 so taht would mean that your answer would be .00049
Because rainfall is x, x = 17 so this question is now just a simple plug and chug
y <span>= 47.3 + 0.78(17) = 60.56
the answer is C</span>