What are th minimum, first quartile, median, third quartile, and maximum of the data set? 12,6,8,3,10,15,18,7

Given: and prove: what is the missing reason in the proof? given transitive property alternate interior angles theorem converse alternate interior angles theorem

Plz hurry evaluate the expression a+b where a=8 and b=19

Which equation shows the quadratic formula used correctly to solve 5x2 + 3x -4 0 for x? cos -3+ v (3) 2-4() 2(5) 3+ |(3)² +4() 205) 3+ (3) 2-4() -3+ v (3)² +4()