Answer:
The constant of proportionality is the ratio between numbers that expresses the rate at which the numbers increase or decrease. These two numbers are directly proportional when they increase and decrease at the same rate.
Answer:
I'm not sure but try 13.5.
Step-by-step explanation:
It might not be correct sorry
Answer:
All angles are equal because all sided are equal so the 1st 1 is 60 .
the 2nd is 80
The quotient of 2 times some number and four.
Hope this helps and sorry if it is wrong but it’s what I got