56/90
" / " means divide
56 divided by 90 = 0.62 with a line over the 2 because it is repeating
Answer:
12.99km
Step-by-step explanation:
Using the formula
C=2(pi)(r)
Answer:
<h3>
2x+11</h3>
Step-by-step explanation:

Add similar elements :6x-4x=2x
Add Subtract the numbers :12-1=11

I think the answer is 1168.67
Answer:
You count the blocks and then put the amount of blocks before:)
(That sounds confusing but it sounds harder than it is)
The answer would be 3xy + 4x
Step-by-step explanation:
How many xy blocks are there? yea there's 3 so you do 3xy
you can't add xy and x blocks together because xy is a different unit than x (xy is x times y) so then you'd count the other x blocks seperately
(I'm sorry if I'm wrong on this lol)