A bag contains 10 red , 8 green and 7 blue balls, if two balls are picked at random one after the other without replacement from the bag, what is the probability that (I) they are of different colors
(ii) at least a ball is blue
please help ✍️

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

Clara schumann is buying bagels for her coworkers, she buys a dozen bagels priced at $5.49 a dozen. the bakery's cost for making the bagels is $2.25 per dozen. what is the markup rate based on selling price on a dozen bagels?

Ling listed all of the factors of a mystery number: 1,2,4,8,16,32 what is the mystery number?