Evaluate the expression a/8-b for a=168 and b=4

1. what expression would be the same as 6x+x+0 2. find the prime factorization of 60 3. write the expression for 6 + x in words.

Select the number of ways in which a line and a circle can intersect

The slope of the line passing through the points (2, 7) and (-4, 8) is