Burt and Ned paddle their canoe 10 miles upstream and 5 miles downstream in 7 hours. If they can paddle 4 mph in calm water, how fast is the current?

hello from mrbilldoesmath!

answer:

the domain is the set { -2, 0, 2, 3}

discussion:

the domain is the set of x values in the ordered pairs (x,y). taking the x, or first component, of each ordered pair gives   -2, 0, 2, 3.

you,

mrb

this may not be at all, but i use the same website you're using for school, and if i'm stuck doing one of these i try to look for it on the section.

many reason,

step-by-step explanation:

the answer is b