Ifound a place that would give me a 20% discount if spend over $50. my bill is $75. what is my final bill after the savings

Guys i really need or i have to stay late up night

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)?

What is the interquartile range of this day at set?