Answer:
You will need 7 more pennies.
Step-by-step explanation:
Answer:
Area of trapezoid is
.
Therefore, option 2nd is correct.
Step-by-step explanation:
We have been given both the sides a=3 and b=5.
And height that is h=4
We will use the formula find the area of trapezoid is:

Substitute the formula we get:


.
Area of trapezoid is
.
Therefore, option 2nd is correct.
y= 1.25x+6.75
Make 31.75 y because that is the total cost he paid.
1.25x+6.75=31.75
1.25x=25
x=20
So he had 20 refills.