Line l and line m are straight lines. What is the measure of angle y?

Line l intersects line m to form 4 angles. Clockwise, from the top, the angles are: y, x, z, 43 degrees.

Ineed with number 6 , explain how to get 1978

What is 6/10 rounded to the nearest half

Carli has 90 apps on her phone. braylen has half the amount of apps as theiss. if carli has three timesthe amount of apps as theiss,how many apps does braylen have? let b represent the number of braylen's apps and t represent the number of theiss's apps.