The permimiter of a is 18 and the area is 9
Answer:
the number of black tokens in the bag is 2
Step-by-step explanation:
The computation of the number of black tokens in the bag is as followS
Given that
There is 8 green tokens
and, the ratio of green tokens to black tokens is 4:1
So let us assume the black tokens be x
So,

Now do the cross multiplication
x = 2 tokens
Hence, the number of black tokens in the bag is 2
<span>The probability that a randomly selected monthly cell phone bill is more than $127 is given by

</span>
Answer:
It would be D because X^2 is different from 3x you would just multiply X^2 by 1 and 3x by 1 to get x^2+3x