remember that
![x^{\frac{a}{b}}=\sqrt[b]{x^a}](https://tex.z-dn.net/?f=x%5E%7B%5Cfrac%7Ba%7D%7Bb%7D%7D%3D%5Csqrt%5Bb%5D%7Bx%5Ea%7D)
also 
and 
so

first one, that one is clearly not equal since 0.25≠4
2nd one, 0.25=1/4, so
, which matches
3rd one,
, which matches
4th one
which matches
answer is 
In this question, we have to use the intersecting chord theorem, and the formula which is

In the given circle, values of AP, CP and DP are 12m, 6m and 5m respectively .
Substituting the values in the formula, we will get

Dividing both sides by 5

Answer:
the first one should be -548
Step-by-step explanation:
plug in the values and you should get -30+7(-72-2).
There are 20- 5 point questions and 10-2 point questions
hope this helps!
Answer: 1. 5 2. NO
Step-by-step explanation:
1. 65/13= 5
2. No because it says you need 65 shelves to make 13 bookcases