Hello from MrBillDoesMath!
Answer:
r^4- 29r^2 + 100
Discussion:
Rearrange the terms in the product as follows:
(r+2)(r-2) * (r-5)(r+5) =
(r^2 - 4) * (r^2-25) =
f^4 - (25+4)r^2 + 4*25 =
r^4- 29r^2 + 100
Thank you,
MrB
Answer:
He won 4 games
Step-by-step explanation:
Percentage of games he lost= 75%
Let the total number of games be 
75% of
= 12
= 12
75
= 12 x 100
= 
=16
Number of games he won = 16-12
= 4
Make it a improper fraction first.
11/6 * 2 = 22/6
Which is 3 2/3
X
216
1000
Hope it helps:)