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

James wants to promote his band on the internet. site a offers website hosting for $4.95 per month with a $49.95 startup fee. site b offers website hosting for $9.95 per month with no startup fee. for how many months would james need to keep the website for site a to be a better choice than site b? define a variable for the situation. write an inequality that represents the situation. solve the inequality to find out how many months he needs to keep the website for site a to be less expensive than site b. using words, describe how many months he needs to keep the website for site a to be less expensive than site b.

True or false? a circle could be circumscribed about the quadrilateral below.

Find the perimeter of the triangle with vertices  d(3, 4),  e(8, 7), and  f(5, 9). do not round before calculating the perimeter. after calculating the perimeter, round your answer to the nearest tenth.