He would need to sell 28 because
12.50*28=350 and 350+50=400
Ok so the only ones that we know for sure are 4 = 1, 6=8, 7=9 and you can’t really do all that much with 2,3,5 because it’s not as obvious
Area= base + base / 2 then multiply the height.
Example: 6+7 /2*6= 39
Hey there!☺
(-∞, 5)
You need to convert the inequality as an interval notation.
as interval notation would be written like this:
(-∞, 5)
Hope this helps!
