Answer:
A number or number sentence that doesn't change
Step-by-step explanation:
the constant of proportionality k, is the constant value of the ratio of two proportional quantities y and x
k = y/x or y= kx
example : the cost of 20 books is rs. 180 how much will 15 books cost ?
a. rs. 125
b. rs. 130
c. rs. 135
d. rs. 140
answer is c. rs. 135
You need to attach the pictures and ask again.
I cannot see any attachments.
the price before taxes was $18,229.13
B) ∠ 5
C) ∠ 4
F) ∠ 6
you can mark the other user brainliest
