Simplify the ratio of
15:6

What is the difference between the predicted value and the actual value

How many different three-digit numbers can be formed using the digits 1 comma 2 comma 9 comma 6 comma 4 comma 3 comma and 8 without repetition? for example, 664 is not allowed.

Which value of m will create a system of parallel lines with no solution? y = mx - 6 8x - 4y = 12