REQUIRE URGENT ASSISTANCE like really really, please help

Question 1: What is the measure of angle 1 in this picture?
A: 30 degrees
B: 80 degrees
C: 110 degrees
D: 130 degrees

Question 2: here is triangle ABC. line DE is parallel to line AC.

What is m∠DBA + b + m∠CBE? Explain how you know (Please provide step by step for question 2.)

Arational number that is equivalent to -20/4?

Afair survey question is one that does not encourage biased responses. which survey question is fair? a.) do you agree that only unethical people take credit for other people’s work? b.) have you ever taken credit for somebody else’s work? c.) have you ever engaged in unethical behavior, such as taking credit for somebody else’s work? d.) don’t you think it is unethical to take credit for somebody else’s work?

Use your knowledge of the binary number system to write each binary number as a decimal number. a) 1001 base 2= base 10 b) 1101 base 2 = base 10