Sarah has two tests at school next week, a math test and a physics test. Let A represent the event that she passes her math test and B represent the event that she passes her physics test.
If A and B are independent events with P(A) = 0.30 and P(A AND B) = 0.21, find P(B).

option a.

step-by-step explanation:

if you look closely at the graph, we can notice that the function is not defined at two different points.

if you look at functions b and c, you will notice that both functions are not defined at just one point. the function b is not defined at x= -5/2 and function c is not defined at x=-5. both options are discarded, given that our function should not be defined at two fiferent points.

now, if you look closely at the graph you will notice that the function sketched is not defined at x=5 and x=-2.

32/80  

91/140

the last one 54 doesn't go into 45. 54/100 ?

step-by-step explanation: