What is the slope of the line through (-9,6)(−6),9)

Tina practice piano for 15 hours last month and 45 hours this month use multiplication to write a statement comparing me i was tina practice during the two months use addition to write a statement comparing the hours tina practice during the two months

Consider that lines b and c are parallel. what is the value of x? what is the measure of the smaller angle?

∆red ≅ ∆ by rule will give brainiest if possible