I don't know I think c=23 hope you get it right good luck lol
Answer:
x=-7
Step-by-step explanation:
The sum of the angles of a triangle are 180 degrees
40 + x+57 + 90 =180
Combine like terms
187 +x = 180
Subtract 187 from each side
187-187 +x = 180-187
x = -7
First you multiply 2and3/8 by 4 and which you will get 3 then you subtract 23 and 3 and get 20
Answer:
The answer for this question is D
Step-by-step explanation:
.......................................27
