DF = 9x - 22, find the following values

Tom drove 206 miles in 3.9 hours. estimate his average speed.

This summer the number of tourists in salem increased 4.5% from last years total of 426000. how many more tourists came to salem this summer

Shape a is congruent to shape , as shown by a reflection across the y-axis and then a translation down units. shape b is congruent to shape , as shown by a reflection across the y-axis and then a translation down units.