What number must be added to both the numerator and denominator of the fraction 2/5 to get 7/8? a) 13
b) 15
c) 17
d) 19​

For which of the following counts would a binomial probability model not be reasonable? a)the number of people in a classroom born in januaryb) the number of people in a classroom with red hair c) the number of people admitted to a hospital in a day with a particular disease d) the number of heart beats in a one-minute perio.

If f(x) =3x-2 and g(x) =2x+1 fins (f+ g) (x)

Abus travels 36 miles in 45 minutes. enter the number of miles the bus travels in 60 minutes at this rate.