A group of students were surveyed about the number of siblings they have. Their responses are summarized in the relative frequency table below. What is the missing relative frequency

The table below shows the height of a ball  x  seconds after being kicked.  what values, rounded to the nearest whole number, complete the quadratic regression equation that models the data? f(x)  =  x2  +  x  +  0based on the regression equation and rounded to the nearest whole number, what is the estimated height after 0.25 seconds?   feet

When you flip a biased coin the probability of getting a tail is 0.6. how many times would you expect to get tails if you flip the coin 320 times?

The population of a city has increased by 35% since it was last measured. if the current population is 86,400 what was the previous population