use the distributive property
5x(3x+4)
15x^2 +20x
Answer:
The area that was not painted is 
Step-by-step explanation:
step 1
Find the area of the rectangle
we know that
The area of a rectangle is equal to

In this problem we have


substitute

step 2
Find the area that was painted

step 3
Find the area that was not painted
Subtract the area that was painted from the total area of rectangle
so

She would have to pay $3.40 I think. A 12-pack is half the size of a 24-pack so I did half the price.
Answer:
Label your answer appropriately; if the question asks for measured units, make sure to put appropriate units on the answer. If the question is a word problem, the answer should be in words. In general, write your homework as though you're trying to convince someone that you know what you're talking about.
Step-by-step explanation:
Yes, because the ratios are equivalent between each pair of values.