simplified is
4x-13
Answer:
18
Step-by-step explanation:
volume of cylinder formula pi*r²*h
radius of 9cm is 4.5 as 9/2
so 4.5²*15 is 303.75cm
303.75*pi is 303.75picm³
y = -1 ?
y+10= 18/2
y+10=9
y=9-10
y=-1
