Arum takes 12 minutes to solve a set of 75 subtraction problems at a constant rate. How much time did he take to solve 50 subtraction problems?

What is the sum of the first 8 terms of the geometric series

Find the distance between the point (-3,-4), and (see the picture below)

What are the interpretations of the line 3x - 15y = 60? x-intercept y-interception a: x 20 - y -4 b: x 5 - y 20 c: x -3 - y 15 d: x -4 - y 20