Celsius = (Fahrenheit -32) * (5/9)
Celsius = (90 -32) * (5/9)
Celsius = (58) * (5/9)
Celsius = 32.22 degrees
Source:
http://www.1728.org/convtmp2.htm
Ft2 (squared) hope it helps
Suppose the students who scored 85 and 90 on the math test take the test again and score 95. How many stars would you have to add to the picturegraph next to 95?
10
One way is that you can just factor it out: (x+2)(x+2)(x+2)
For the first pair, you get

.
Then do

*

That will be

So the answer is 6