The ratio girls to bots is 3: 2

Someone answer this check out the image!

1) in triangle the, what is the measure of angle t (in degrees)? 2) in triangle bat, the measure of angle b is 66∘, and the measure of angle t is 77∘.what is the measure of the exterior angle at a (in degrees)?

Car a and car b were in a race .the driver of car b claimed that his car was twice as fast as car a