Which of the following graphs shows the solution of y + 2x + 2 = 0 and y = ?

If the speed of an electromagnetic wave is 100,000 cm/s and its wavelength is 100 cm, what is its frequency? a) 100,000 cycles per second (hz) b) 1 × 10-3 cycles per second (hz) c) 10,000,000 cycles per second (hz) d) 1,000 cycles per second (hz)

The amount spent on food and drink by 20 customers is shown below what is the modal amount spent ?

Which system of linear inequalities is represented by the graph?