Answer:
well for me I think
Step-by-step explanation:
2/3×2/3
4/9
since they are replacing the black marbles back
Answer:
For the first blank: 8
For the second blank: I think it's 913
Step-by-step explanation:
First blank: To find the area of a square do (Length * Width) For the roof do 15 * 25 to get 375. Then divide by 100 and you get 3.75 but round to 4
That's for 1 half of the roof so do cover the whole roof you need 8.
The answer is 3/-2 hope that helps!
Answer:
30
Step-by-step explanation:
210=120x1+90
120=90x1+30
90=30x3+0