What is the measure of interior angle abc of the regular polygon shown?

The sum of two numbers is 12 and their difference is 18 what are the two numbers

The evening newspaper is delivered at a random time between 5: 30 and 6: 30 pm. dinner is at a random time between 6: 00 and 7: 00 pm. each spinner is spun 30 times and the newspaper arrived 19 times before dinner. determine the experimental probability of the newspaper arriving before dinner.

Determine the standard form of the equation of the line that passes through (-2,0) and (8,-5)