Robin has read 3/4 of a book. Mark said he had read 1/2 as much as Robin. What fraction of the book has Mark read? (Show work)

Segment ab is shown on the graph. which shows how to find the x-coordinate of the point that will divide ab into a 2: 3 ratio using the formula

The ratios 3: 9, 4: 12, 5: 15, and 6: 18 are a pattern of equivalent ratios in the ratio table. which is another ratio in this pattern?

Aline passes through the point (–7, 5) and has a slope of 1/2 which is another point that the line passes through?