2 sides of a triangle are congruent. The base length is unknown. The top angle is 40 degrees and the bottom left angle is x degrees. What is the value of x? I need help with this as soon as possible. Thank you so much! :)

EDIT: I got it!!

Fast! find the length of cu. the triangles are similar. show your work.

Determine if the outside temperature is a function of the time of day or if the time of day is a function of temperature and explain why or why not.

Atest consists of 10 multiple choice questions, each with 5 possible answers, one of which is correct. to pass the test a student must get 60% or better on the test. if a student randomly guesses, what is the probability that the student will pass the test?