What are the important variables in the problem below? A test is worth 50 points. Multiple-choice questions are worth 1 point, and short-answer questions are worth 3 points. If the test has 20 questions, how many multiple-choice questions are there? A. t for test, q for questions
B. p for points, m for multiple choice
C. s for short answer, t for test
D. m for multiple choice, s for short answer

Asystem of equations is given below.y= 1/2x-3 and y=-1/2 x-3which of the following statements best describes the two lines? a.they have the same slope but different y-intercepts, so they have no solution.b.they have the same slope but different y-intercepts, so they have one solution.c.they have different slopes but the same y-intercept, so they have no solution.d.they have different slopes but the same y-intercept, so they have one solution.html