In triangle ABC, angle C=80 and angle B = 2x. This measure of the exterior angle at A is 4x. Find the value of x Answer ASAP

What is the measure of angle z in this figure? enter your answer in the box. z = ° two intersection lines. all four angles formed by the intersecting lines are labeled. clockwise, the angles are labeled 43 degrees, x degrees, y degrees, and z degrees.

Find the slope of the line below . enter your answer as a fraction or decimal. use a slash mark ( / ) as the fraction bar if necessary

X² + 4y² = 36 the major axis runs along: a) y=4x b) x-axis c) y-axis