Julio has 5.75 pounds of dog food. If he feeds his dog 2.83 pounds of dog food next week, how much dog food will he have left

What is the value of x in the diagram below?

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)?

If you answer 2+2 you will get over 80 points