Answer:
-1
Step-by-step explanation:
just do y2-y1 over x2-x1.
You would use the distributive property with the negative. So the second x becomes negative, but since the 7 is already negative it becomes positive. Think of it as if you put the two dashes together you can make a plus sign.
Answer 0.06*0.7+0.03=0.072 and 0.06*(-0.2)+0.03=0.018
25% is your answer........
