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:
Its is a linear y= -2
Step-by-step explanation:
A linear equation is an equation of a straight line, which means that the degree of a linear equation must be
0 or 1 for each of its variables. In this case, the degree of variable y is 1
.
Honestly, I don't think there is a certain method or anything to find how much candy corn there is in that jar. Try counting and rounding or just take a solid guess ! You'll maybe be closer to the answer by taking a solid guess ! Good luck :)
We know, Distributive property tells: a(b + c) = ab + bc
So, 9.78(4.3x + 5.15) = 42.054x + 50.367
In short, Your Answer would be Option B
Hope this helps!