Points (-6,15) and (2,-1) lie on a straight line. What is the slope of the line?

Three times the sum of a number and seven is negative thirty-six. what is the number?

Okay so i didn't get this problem petro bought 8 tickets to a basketball game he paid a total of $200 write an equation to determine whether each ticket cost $26 or $28 so i didn't get this question so yeahyou have a good day.

Given: ab ≅ bc and ao ≅ oc ok − angle bisector of ∠boc find: m∠aok