Try this option (see the attacthed file; answer is marked with red colour); note, that

answer: 2 m/h.
Answer:
10 degrees
Step-by-step explanation:
1.) every triangle has angles that add up to 180 degrees
2.) a right triangle has a right angle and two acute angles
3.) right=90 degrees; acute=<90 degrees
4.) 90+80=170
5.) 180-170=10
Answer:
-3x + 4 -y = 0
Step-by-step explanation:
Answer:
I'm not 100% correct but this is what I believe proportionality is where k=y/x and k is proportionality constant
$6.57: 3 pounds of orange
y dollar: x pounds of orange
so the proportion
$6.57 y
_____ = _____
3 x
6.57×
_____ = y
3
2.19x = y
so k = 2.19
Answer: Think about diagonal sides and horizontal bases.
Step-by-step explanation: "Think outside of the box." as they say.
See the screenshot attached.