Answer:
false
Step-by-step explanation:
x=4andy=7
2×4+7 isnot equal to 7
-100 is rational.
-100 can be turned into a fraction by doing the following...
Just put 1 underneath -100 and you get 
So that means it is rational since it can be a fraction!
2/15
90 ÷ 6 = 15
Theoretical probability would be 15 due to the equation above