Answer:
Emma types at a rate of 45 words per minute.
Step-by-step explanation:
I know this because if you divide 90/2 you can get 45 because as you see on the graph, every two minutes is 90 words, so just divide 90/2.
B
-5z +1 = -2z +10
-3z = 9
z=9/-3
Z= -3
x=-4+2