Answer:
A
Step-by-step explanation:
Given
×
Multiply numerators and denominators together, that is
← expand numerator using FOIL
= → A
Let r be Ron's age.
let m be Mike's age.
m=r+4
m+r=84
m=84-r
r+4=84-r
2r=80
r=40
m=44
Ron is 40 and Mike is 44
Yes.The second factor is the difference of 2 squares,
so the second factor alone becomes
(x² - 4) = (x + 2) (x - 2)
Square root of 21 is
<span>4.58257569496
</span>
I rounded it to 4.58
Answer:no
hccer
Step-by-step explanation:
my name is william schruge