Complete the number sentence to represent finding the fish of goldfish in each bowl and the remaining goldfish

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)?

Is experimental probibilty the same as the observed frequency in math? i need the answer asap!

Can anyone explain to me how to do this? anything will .