Find the measure of each angle (help me please)

Complete the solution of the equation. find the value of y when x equals to 28 x+3y=28

Which is an x-intercept of the graphed function? (0, 4) (–1, 0) (4, 0) (0, –1)

Which of the following is not a solution to the inequality graphed below? (-2, -4)(-1, -5)(0, -3)(2, -1)which of the following is a solution to the inequality graphed below? select all that apply.(-3, -3)(-1, -1)(-3, -1)(2, 2)