I need help with math ​

1.B. angles 3 and 4 are supplementary (they add up to make 180)

2. B x+90+63=180

Step-by-step explanation:

anything on a straight line add up to equal 180

idk

step-by-step explanation:

maybe try   if it is work from a book, if not try

x=-2

infinite number of lines, so there is an infinite number of equations.

step-by-step explanation:

there are an infinite number of line that passes through the point (-2,5)

x=-2   is one line that passes through the point

y = 5 is another line that passes through the point

(these two lines are perpendicular to each other).

since the number of   numbers are infinite and the slope is the ratio of two numbers,(change in y over change in x) we can have an infinite number of slopes.     our only condition is that it passes through the point (-2,5)