What expression represents the profit, and what is the profit if 240 cell phones are sold? 40x – 30; $2,400
40x – 30; $9,570
70x + 50; $16, 850
70x + 50; $28,800​

Which of the following transformations will make coincide with ? a. counter-clockwise rotation 90º about a, followed by a translation 5 units to the right b. translation 5 units to the right, followed by a reflection across the y-axis c. translation 5 units to the right, followed by a reflection across the x-axis d. translation 1 unit up and 5 units to the right, followed by a reflection across the x-axis

The key on a road map has a scale factor of 1.5 inches = 50 miles. the distance between santa fe and albuquerque measures 7.5 inches. the distance between santa fe and taos is 0.75 inches. what is the actual distance between the cities?

What is the benefit of converting measures in a ratio to the same unit