Answer:
3√7
Step-by-step explanation:
9²+B²=12²
simplify
81+B²=144
minus the 81
B²= 63
I don't know if this is right but 0.125
Answer:
x = 140
Step-by-step explanation:
180 - 65 - 75= 40
180 - 40 = x
140 = x
Lines b and c
they both go up 2 and over 1 (rise over run is slope)
Answer:
The second one
Step-by-step explanation: