Answer:

Step-by-step explanation:
Let
y --->Mala's age
x---> sister's age
we know that
---> equation A
so
The sum of ages of the sisters is

substitute equation A in the expression of the sum of ages

simplify

Answer:
Not sure if I was ever able to help you but I hope you have an amazing future<#
Answer:
1ft=.33in
Step-by-step explanation:
For every 1ft in the room its .33 on paper.
.33333333333333333333333333333x18=6
C
Domain is input, range is output
Mark brainliest please