Is these questions right and what is the estimate for the blank line

What is the measure of angle tvu shown in the diagram below

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 4x^2 - 19x- 5

The price of a dozen eggs was $1.63. suppose the price increases m dollars per dozen and then the price decreases $0.12 per dozen. which expression represents the current price of eggs after the two price changes?