Answer:
W
Step-by-step explanation:
On the venn diagram, you can see that everything in the W section is a multiple of 7. Everything in the Z section is an even number and everything in Y(the middle section) is both an even number and a multiple of 7. Since 49 is a multiple of 7 but not an even number, it would go in the W section.
Answer:
She wanted to persuade others that women should not ride bicycle
An isosceles triangle is one having two of its sides equal.
When

, you have

Now assume this is true for

, i.e.

and under this hypothesis show that it's also true for

. You have




In other words, there exists

such that

Rewriting, you have



and this is equivalent to

modulo 9, as desired.

True

As it is said in the question the probability of getting a head is 0.5. And, if we toss it two times it will be 0.25.
We'll have to multiply 0.5 with 0.5.
