What is the equation of the line that has a y-intercept of 4.5?

a.) y= 4.5
b.) y= -4.5
c.) x= 4.5
d.) y= x-4.5

How do you use the elimination method for this question? explain, because i really want to understand!

Need an artist designed a badge for a school club. figure abcd on the coordinate grid below shows the shape of the badge: the badge is enlarged and plotted on the coordinate grid as figure jklm with point j located at (2, -2) and point m is located at (5, 4). which of these could be the coordinates for point l? a. (2, 4) b. (8, 4) c. (5, 1) d. (5, 7)

Two angles are complementary. the larger angle is 36 more than the smaller angle. what is the measure of the larger angle?