no usually the problem is set up this way f(x,y)= z if z= w/e ( it has an x and a y) where y= (something that has s and t) and x= ( something that has s and t) but your question does not make sense to me. Are you sure you wrote it right?
Answer:
C
Step-by-step explanation:
radius squared * pi = 63.585
If C is 5 and B is 7 the a is 9
The maths test
If you convert both of the results to percentage,
Maths:
English:
You'll see that she scored better in the maths test.