200. because 50 = one hour. 100= 2 hours and so on.
The main answer that your looking for is Polygon 1-4
because 1-4 looks like the same in comparison
Step-by-step explanation:
642 ÷ 36 = 17.8
so 17 boxes
17* 36 = 612 642-612 = 30
30 umbrellas were left
Answer:
123
Step-by-step explanation:
s=-2
-15s^2-9(-5+s)
=-15s^2+45-9s
=-15s^2-9s+45
=15(-2)^2-9×(-2)+45
=15×4+18+45
=60+18+45
=123