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
Answer:
5
x
^2 + 20
x + 12
Step-by-step explanation:
not factorable
C is the correct answer for m
Answer:
Step-by-step explanation:
No they are binomial as X is common variable two times and there is one number
Answer:
To perfect the answer and great
