Please help! i need the answer to be in a statements and reasons proof. will give brainliest

Solve with work adding cheese to a mcdonalds quarter pounder increases the fat content from 21g to 30g. what is the percent of change ?

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)?

Ineed to know the ordered pairs for this equation i need the answer quick because it’s a timed test