(m+11n)^2
=(m+11n)(m+11n)
=m^2+11mn+11mn+121n^2
=m^2+22mn×121n^2
For Example;
use FOIL: (a+b)(a+b)
First. a^2
Outside. ab
Inside. ab
Last. b^2
The answer is $48.60 you just have to multiply the amount of bags times the cost of each bag to get your amount so
15 x 3.24 =48.60
Answer:
It takes 1 hour to travel 90 miles.
26/1.3 = 20
So your answer is 20.
Answer:
40%
Step-by-step explanation:
a percentage can also be written as something over 100. x/100. to find the percentage you would set up the proportions as 12/30=x/100. then you cross multiply 12x100 and divide by 30. (this is called the bat and ball method). you end up with 40.
