Given the slope m and a point (a,b) of a line, its equation is given by

In your case, a = -4, b = 7 and m=1/2, so we have

Answer:
Step-by-step explanation:
Based on the fact that it is congruent, it is also 48 degrees.
Answer:
B
Step-by-step explanation:
Healthcare workers use it often to Treat diseases
I think its 144 because its the fifth square