Find the are of the figure below​

Which elements in the set below are integers? 12, –3⁄4,√ 25 , –7, √ 5 , 14⁄7, 9 a. 12, √ 25 , –7, 9 b. 12, √ 25 , –7, 14⁄7, 9 c. –3⁄4, 25 , √ 5 ,14⁄7 d. 12, –7, 9

If f(x)=-x^2+6x-1 and g(x)=3x^2-4x-1,find(f+g)(x)

Someone me what is the area of this figure? 18m 18m 8m 16m