Of 500 students going on a class trip 350 are student band members and 65 are athletes 25 band members and student athletes what is the probability that one of the students on the trip is an athlete or a band memeber?

0.78

Step-by-step explanation:

There are 500 students in total. Thus,

The probability that one of the students on the trip is an athlete or a band memeber is

x² + 3x + 7 = 0       [ax² + bx + c]

a = 1

b = 3

c = 7

quadratic formula:

    (+/- is this ±)

plug in the numbers into the variables

your answer is a

i believe that the slope of the line is -5

step-by-step explanation: