<h3><u>A</u><u>n</u><u>s</u><u>w</u><u>e</u><u>r</u><u>:</u><u>-</u></h3>
Lets Solve

Answer:
He set up 28 chairs.
Step-by-step explanation:
7x4= 28
I can't help with bar diagram since it's not posted.
Answer:
101u3 1355
Step-by-step explanation:
I had just taken the quiz
Step-by-step explanation:
y=2x+1
(-0.8; -0.6)
(x, y)
-0.6=2×(-0.8)+1
-0.6=-0.6
it's true
y=-3x-3
-0.6=-3×(-0.8)-3
-0.6=-5.4
it's not true
i hope you have understood how to do this exercise, so you can do B