Use the listing method to represent the following set. {x | x I, x ≥ 3}

A. {4, 5, 6, 7, ...}
B. {..., 0, 1, 2, 3}
c. {3, 4, 5, 6, ...}

Can somebody me out with this question

Simplify (4x^2 - 8xy + 2y^2) - (9x^2 - 4xy - 7y^2) a. -5x^2 + 4xy + 9y^2 b. -5x^2 - 4xy + 9y^2 c. -5x^2 + 12xy + 4y^2 d. -5x^2 - 4xy - 5y^2

Find the measure of angle y. round your answer to the nearest hundredth. ( type the numerical answer only) a right triangle is shown with one leg measuring 5 and another leg measuring 14. an angle across from the leg measuring 5 is marked y degrees. numerical answers expected!