Carrie's friend lives two miles from her house. If it took her 18 8/9 minutes to run to her friend's house, then 19 7/12 minutes to run back to her house, what is the total time she spent running

hello from mrbilldoesmath!

answer:

x - 3

discussion:

x^2 - 9 = (x-3) (x+3)   so

(x^2-9)/ (x + 3) = x-3

you,

mrb

vertical=18cm horizontal=18cm hypotenuse=25.5

step-by-step explanation:

sample answer: you can determine whether each element of the domain is paired with exactly one element of the range. for example, if given a graph, you could use the vertical line test; if a vertical line intersects the graph more than once, then the relation that the graph represents is not a function.