9 In a bag there are red, green and purple counters.
38 of the counters are red.
16 of the counters are green.
What fraction of the counters are purple?

What is the value of x in the this question ?

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

Aline is perpendicular to another line m2= (-1/m1), where m1 is the slope of the original line and m2 is the slope of the perpendicular line. which of the following equations represents the line that passes through the point (-2,1) and is perpendicular to the line below?