Answer: 6.5
6.5 -4 = 2.5
2.5 x 2 = 5
Answer:
B
Step-by-step explanation:
Answer:
129
Step-by-step explanation:
278 - 149 = 129
The only thing you can do with this expression is to factor a 5 out of the two terms: we have

Answer:
a = a
b = b
c = c
Step-by-step explanation:
Formula: 
C is always the largest number
<em><u>a times a + b times b = c times c</u></em>