What is the value of y? HELP me

y=51

Step-by-step explanation:

We know that the two outer angles of a triangle are equivalent to the outer angle if both the angle and the triangle are on a straight line.

So,

If we add like terms on the left side, we get  

Now, let’s add 4 to each side. If we do, we get

Finally, we subtract y from each side to find y. Thus,

an altitude of 15,000 feet

step-by-step explanation:

to find the total number of combinations, multiply the quantity of each item by each other:

2 pairs of shoes x 3 pairs of shorts = 6 different combinations.