1. 15x
2. 21
3. 4
You’re welcome
Difference of two squares:
(a+b)(a-b) = a² - b²
(a-b)(a+b) = a² - b²
The difference of two squares results to a binomial because the middle term cancels each other out.
example:
a = 2 ; b = 3
(2 - 3)(2 + 3) = 2(2+3)-3(2+3) = 4+6-6+9 = 4 + 0 + 9 = 4 + 9
If you paid a total of 15.92 and also paid 1.99 per song, then you must divide the total by the cost per song.
As such 15.92/1.99 = 8 songs. :)
Answer:
y = 1x - 5
Step-by-step explanation:
X would be the number of years between 1920 and 1980:
1980-1920 = 60 years.
Replace x with 60 and solve:
Y = 0.34(60) + 44.63
Y = 20.4 + 44.63
Y = 65.03
Answer: 65.03 meters
