Answer:
2nd option
Step-by-step explanation:
A difference of squares has the general form
a² - b²
where the terms on either side of the subtraction ( the difference ) are both perfect squares.
The only one fitting this description is
16a² - 4y²
= (4a)² - (2y)² ← difference of squares
Answer: 219.375 miles
<u>Step-by-step explanation:</u>
d = r * t
= 67.5 * 3.25
= 219.375
Everyone needs help in math
2/3 of 18 would be 12 if thats what youre asking. you would do 2/3 x 18