A = pi r^2
a = 3.14 * 97^2
a = 29,544.26 mm^2
I put .2 into a fraction and i got 5 17/40. 2/10 equals to 1/5 and 5/8 and 1/5 LCD is 40. I subtracted them and got 5 17/40.
Answer:
-a^2 -a -35
Step-by-step explanation:
a(4-a) -5(a+7)
Distribute
4a -a^2 -5a-35
Combine like terms
-a^2+4a -5a-35
-a^2 -a -35
