There is a bag that contains only red and blue marbles. The
probability of choosing a red
marble at random is 2/7. Given
that there are 12 red marbles in
total, and each one is likely to be
chosen at random work out out
how many marbles there must be
in total.
Your answer

Ihave this math question 2/3 ÷2 1/10=

Two different linear functions are shown below with two points given from each function. use slope-intercept form or point-slope form to find the equation of each. linear function a points: (–5, –2), (–5, 7) linear function b points: (7, –5), (–2, –5) function a has: the equation of line a is: function b has: the equation of line b is:

The random variable x represents the number of phone calls an author receives in a day, and it has a poisson distribution with a mean of 8.7 calls. what are the possible values of x