Karly tracks the number of hours she spends practicing for her upcoming swim meet. The table below shows her results.

Number of Hours Karly Practices

Which graph best represents the number of hours Karly spends practicing?

Select the best attribute for the angle pair formed by two parallel lines intersected by a transversal.

Factor the expression using the gcf. the expression 21m−49n factored using the gcf

Atrain leaves little? rock, arkansas, and travels north at 90 kilometers per hour. another train leaves at the same time and travels south at 80 kilometers per hour. how long will it take before they are 680 kilometers? apart?