The two-way table shows information about the subjects studied by some people.
Chemistry Biology
Physics
Total
Male
12
14
16
42
Female
16
20
12
48
Total
28
34
28
90
a)
How many people are male OR study Biology OR both?
b)
What is the probability that any person is male OR
studies Biology OR both?
Hi

check above link.

graphically?   well, you graph them both, the solutions is where they both intersect each other, since there are two solutions, meaning they will meet twice, or namely the linear will run into the quadratic curve twice, and where they meet, those x,y coordinates are the solutions to the system.

answer: both chords and diameters have two endpoints on a circle. diameters must intersect the center of a circle.

she was supposed to add the hours(38.5) and multiply the amount of money she earned(7.50) resulting in $288.75 .

correct me if i'm wrong and if it is i'm truly sorry.