A parallelogram is shown below: How many lines of reflectional symmetry does this parallelogram have?
A
0
B
2
C
4
OD
8

The system of equations graphed below has how many solutions?

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)

Kira looked through online census information to determine the overage number of people living in the homes in her city what is true about kira's data collection?