Answer:
Part 1) Option D 
Part 2) Option B 
Part 3) Option A
Part 4) Option A Ms. Monti bought
adult tickets and
children’s tickets
Part 5) Option D The kitten weighed
ounces when it was
weeks old
Step-by-step explanation:
Part 1)
we know that


Let
d-------> the number of dimes
n-----> the number of nickels
so

Multiply by
both sides

Part 2)
we have

To calculate the solutions of the equation for an x value, substitute the value of x in the equation and find the value of y
For
----->
----> 
For
----->
----> 
For
----->
---->
Part 3)
we know that
The perimeter of a rectangle is equal to

we have

substitute
------>
----->
Par 4)
Let
x------> the number of adult tickets
y------> the number of children tickets
we have

The ordered pair
represent


therefore
Ms. Monti bought
adult tickets and
children’s tickets
Part 5)
Let
x------> the number of weeks after it was born
y-----> the kitten’s weight in ounces
we have
The ordered pair
represent


therefore
The kitten weighed
ounces when it was
weeks old