Answer:x=18
Step-by-step explanation:
if she deposites 40 every week 40 times 18 is 720 so in 18 weeks she can have a t.V
It would be D because the formula is: pi r^2
If n is 2, you substitute 2 for n and multiply 5(2)+8= 10 +8 = 18
24cm.........................................
30, you could just multiply both numbers, but it's also better to list out the factor until both match
