If A = , then show that

Given:

The matrix is:

To show:

Solution:

If a matrix is:

Then,

We have,

Using the above formula, we get

Now, the inverse of is:

Hence proved.

e) none of the above because the measure of angle cba is 101°

(2,20) means that the 2 is 2 hours and 20 is 20$. so there both 20$ for 2 hours only the same price. like it says. so, the dunk tank and the bounce house are the same price (20$) for the same amount of time (2 hours).

hope i