Azul went for a bike ride through the mountains in north carolina. use this graph to determine his average speed in miles per hour.

What is the greatest common factor of 6a, 8a^{2}, and 14?

Adepartment store purchases screen-printed t-shirts at a cost of $5 per shirt. they mark up the price 150% (making the selling price 250% of the store's purchase price) and put them on the sales floor. every month that a t-shirt doesn't sell, the store reduces the selling price by 25%.

What is the equation of a vertical line passing through the point (−5, −1)? y = −5 y = −1 x = −5 x = −1