What is the next step in the pattern?

3 × 6 = 18, 6 × 3 = 18, 18 ÷ 6 = 3,

a. 3 × 7 = 21
b. 3 ÷ 18 = 6
c. 4 × 6 = 24
d. 18 ÷ 3 = 6

The table shows the age and finish time of ten runners in a half marathon. identify the outlier in this data set. drag into the table the ordered pair of the outlier and a reason why that point is an outlier.

George writes the mixed number as sum and uses the distributive property 1/2.-2/5=1/2-2+2/5=1/2

In the diagram, ab is tangent to c, ab = 4 inches, and ad = 2 inches. find the radius of the circle.