If f(1)=10 and f’(x)>=2 for 1 =< x<=4, how small can f（4）possibly be

Use the normal approximation to the binomial distribution to answer this question. fifteen percent of all students at a large university are absent on mondays. if a random sample of 12 names is called on a monday, what is the probability that four students are absent?

Another type of subtraction equation is 16-b=7. explain how you would sole this equation then solve it.

Given sin∅ = 1/3 and 0 < ∅ < π/2 ; find tan2∅ a. (4√2)/9 b. 9/7 c. (4√2)/7 d.7/9