How do you find vertical angles and linear pairs on intersecting lines

Find the value of 1715⋅211.though these numbers aren't quite as nice as the ones from the example or the previous part, the procedure is the same, so this is really no more difficult. give the numerator followed by the denominator, separated by a comma.

If square root x = -7, then x= -49 true or false

What is the value of x when x + 7 = 21?