Which of the following statements are true? Select all that apply. In a triangle ABC, angle A is (2x + 1) degree, angle B is x degree, and angle C is (x + 15) degree.
A. (4x + 16)° = 180°
B. x° = 49°
C. m∠A = 99°
D. From smallest to largest: ∠B, ∠C, ∠A

Use the graph of the sine function y=2sinθ shown below

Complete the solution of the equation. find the value of y when x equals -5. -4x - 8y = -52

Which statements describe the solutions to the inequality x< -20 check all that apply. there are infinite solutions. each solution is negative. each solution is positive. the solutions are both positive and negative. the solutions contain only integer values. the solutions contain rational number values.