Do you mean that you yourself have many unanswered questions, or that there's a lot of unanswered questions on the site. Because the second one is just a teeny bit obvious!
It's spelled pi, not pie, and the value is 3.14. As i think you know, the value of pi extends for infinity, or at least it would if there is an infinity, and the numbers never repeat. But most things just want 3.14
The answer is 12.5% possibility that the mother's first three children will be girls.
Probably?????
That is just sad, man, really sad, but the answer is 4, k? Go write that impressive formula down somewhere so you don't forget it! JK
So, you have to go through the steps. First, you add 2+-8, which equals -6, add 2 again, -4, so-4=2-x, then to equal out the sides, you subtract 2 from 4 and 2, 4=-x, so -4=x! Got it?
First, find 1%, which is 0.16. Add that until you get five, and you should be good!
The answer is 7 and 3/7
Simple enough to be done on the calculator, but it is 5 and two thirds.
The sky could be purple, i suppose, although most people see it as blue, reflected from the oceans.
Just do it on the calculator on the home page.
90% of 100 is 90, because 100% is a whole. 90% of 10 is 9, and of 1 is 0.9.