$25.00 is how much percent of $625.00

Mustafa contributes 11% of his $67,200 annual salary to his 401k plan. what is his pretax income

Draw a number line to represent the inequality y< 64

For a short time after a wave is created by wind , the height of the wave can be modeled using y= a sin 2pi(t) / t where a is the amplitude and t is the period of the wave in seconds. how many times over the first 5 seconds does the graph predict the wave to be 2 feet high?