Answer:

Step-by-step explanation:

Best Regards!
Answer:
7 shirts
Step-by-step explanation:
290/40 = 7.25
But since you can't have 7.25 shirts, it's just 7.
Answer:
b)-9,2
Step-by-step explanation:
x^2+7x-18=0
x^2+9x-2x-18=0
x(x+9)-2(x+9)=0
(x+9)(x-2)=0
therefore
x=-9
x=2
Answer:
If we mean - √9, then it is a rational number.
Step-by-step explanation:
We will because we will turn into aliens and then shoot dogs into the universe