Expressions are problems with no answer. I would use it to represent inequalities and/or a basic formula
Answer:
7
/10 0.7
Step-by-step explanation:
To add fractions, find the LCD and then combine.
i have no idea about a but
B. LN corresponds to EF
MN corresponds to DF
E corresponds to L
F corresponds to N
180-40=140. 140/5 = 28
x= 28
angle B: 5(28) = 140
140 + 40 = 180
180=180