Answer:
the ans is 9.......I believe
The area of a triangle is .5*b*h = .5x^2
.5x^2 = 27 so
x^2 = 54
x = sqrt(54) = 7.3
Complete Question
The complete question is shown on the first uploaded image
Answer:
6a

6b

6c

7a

7b

7c

Step-by-step explanation:
Considering the question 6
The function given is 
For V(3) we have



For 



For V(2r)



Considering the question 7
The function given is 
For h(5)
For h(1.8)


For h(x+ 5)


