If m angle = 5x+3, m angle = 10x-5, and m angle = 17x- 16

Students are given 3 minutes for each multiple-choice question and 5 minutes for each free-response question on a test. there are 15 questions on the test, and students are given 51 minutes to take it.how many multiple-choice questions are on the test?

Write the system of equations represented by the matrix. 0 1 2 4 -2 3 6 9 1 0 1 3

Polygon abcde is reflected to produce polygon a′b′c′d′e′. what is the equation for the line of reflection?