Mr. henderson earns $800 per week. he spends $80 of what he earns on food for his family. what percentage of the money he
earns is spent on food?
10%
25%
64%
72%

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)

Ab and bc form a right angle at point b. if a= (-3,-1) and b= (4,4) what is the equation of bc?

What’s -11-33k and factor each expression completely