The Venn diagram shows subjects studied by students what is the probability that a student chosen at random physics or chemistry or both

Which of the symbols correctly relates the two numbers below check all that apply 6? 6

Two cyclists 84 miles apart start riding toward each other at the same. one cycles 2 times as fast as the other. if they meet 4 hours later, what is the speed (in mi/h) of the faster cyclist?

Plot the intercepts to graph the equation