Subsets

Find whether the given pair of sets are equal or not.

$A=\left\{x:x \text{is number of factors of} 45 \text{less than} 8 \text{greater than} 4\right\}$

$B=\left\{x:x \text{is number of vowels in English alphabet}\right\}$

Find the length of the interval $[–12, –35]$.

Define length of an interval.

What is superset?

Find the power sets $\mathcal{P}\left(A\right)$ and $\mathcal{P}\left(B\right)$ where $A=\{a, b, \{c, d\left\}\right\}$ and $B=\left\{\right\{a\}, \{b\left\}\right\}$

Write all possible subsets of the following sets:

$\{\varphi , \{\varphi \left\}\right\}$

Describe the power set of the set $A=\left\{\right\{1\}, \{2, 3\left\}\right\}$

Write the following subset of $R$ as interval:

$\left\{x|x\in R, m\in R, x=5m \text{and} 2<m\le 5\right\}$

The set of rational numbers is subset of set of real numbers.

The set of natural number is subset of set of real numbers.

The length of an interval $(-18,-24]$ is 

The length of an interval $\left(14,18\right)$ is 

Write the following subsets of $R$ as interval $:\{x:x\in R,-12<x<-10\}$.

Which of the following is the power set of $A=\left\{1,2,3\right\}$ 

Write the following subset of $\mathrm{R}$ as interval:

$\left\{x: x\in \mathrm{R}, 3\le x\le 4\right\}$

Write the following subset of $\mathrm{R}$ as interval:

$\{x:x\in \mathrm{R},-12<x<-10\}$

If $\mathrm{A}=\left\{a,b,c\right\}$ which of he following is the power set of $A$

If $S=\left\{\text{square, rectangle, circle, rhombus, triangle}\right\}$, write the number of elements of subset of $S$ which have shape of $3$ sides.

Write the name of the element from $S=\left\{\text{ square, rectangle, circle, rhombus, triangle }\right\}$, which have radius.

Are the two sets $C=\left\{2,3,4,5\right\}$, $D=\left\{x:x\in \mathbb{W},1<x<5\right\}$  equivalent sets or unequal sets or equal sets?