Make bottom number same
ok, so remember
(a-b)(a+b)=a²+b²
so
to get from (y-x) to (y²-x²), multiply 2nd fraction by (y+x)
so multiply 2nd fraction by (y+x)/(y+x)

=

=
Answer:
14 chaperones, 49 students
Step-by-step explanation:
Answer:
i would say 40 for 4$
Step-by-step explanation:
bc ur getting double amount for 2$ and it will last longer
Answer:c
Step-by-step explanation:I just did this one and got it correct
Answer:
628
Step-by-step explanation:
So the formula is πr^2h/3
So the height is 6
pie is 3.14
Substitute:
3.14(10)^2 6/3
3.14(100)(2)
3.14(200)
628