Hello!
If there is 4 faces and 1/4 chance of any side end up face down, we just have to decrease one chance, so, the chance of the face "2" does not end up face down is equal the sum of the chances of the others faces end up face down, so, we have: 3/4.
Hugs!
Answer:
.
Step-by-step explanation:
Answer:
(3a-7) (2a-1) is the answer
Step-by-step explanation:
Firstly we are looking for two variables x,y so that we need two formulas .
the second formula is missing
900 because 9 is greater than 5 so it rounds to my answer.