Answer:
156 feet larger
Step-by-step explanation:
Alright so 160% of 10 is 16 , now we do 16x16 = 256
Now we do 10x10 to find the old square feet which is 100
256-100=156
To find the decreased percentage,here's what we can do:

In this case,the eqaution would be:

Hope it helps!
Answer:
75
Step-by-step explanation:
Answer:
30
Step-by-step explanation:
For a = <xa, ya> and b = <xb, yb>, the dot product is the sum of products ...
a·b = (xa)(xb) + (ya)(yb)
Substituting the given information, you have ...
a·b = 5·4 + 2·5 = 20 + 10
a·b = 30
_____
Some graphing calculators can do such math. There are also dot product calculators available on the Internet. If you have quite a few of these to calculate, you can put the appropriate formula into a spreadsheet.
Answer:
Its X And The Sum Of N Is Going To Be 27