Answer:
5/12
Step-by-step explanation:
12 total squares
5 shaded
5shaded to 12 total
5:12
or
5/12
Answer:
i think it is 136 sorry if i am wrong
Step-by-step explanation:
Answer: x=y+5
Step-by-step explanation:
Add 5 to both sides:
y+5=x-5+5
y+5=x
First difference,

Second difference,

Third difference,

And so on.
Assuming the pattern holds on, we see that
i-th difference,


Then, nth term is,











Now, the 21st term in the sequence is,



Multiply all of the numbers together: 5 x 2 x 8 = 10 x 8 = 80 ways