Answer:
second question i think the answer is c .i don't know about first one
Step-by-step explanation:
option c
explaination is in pic below
75.36
C= 2 pi r
c= d pi
c= 24*3.14
c= 75.36
8. 1/3 = 3/y
or, y= 9
11. 3/x= 6/x+8
or, 6x=3x+24
or, 3x= 24
or, x=8
Hope it helps uh.
D
y=x+3/8x