Plug in x with -1

A negative number in parenthesis times an exponent is always positive.
8+3-7=4
A dot plot shows results from a range of data, giving it coordiantes so you can plot it on a graph
Answer:
x+4/x-4
Step-by-step explanation:
=x/(x-4)+4/(x-4) [ l.c.m= (x-4)]
=x+4/x-4
Answer:
280 cups total.
Step-by-step explanation:
Tricky. The explanation and answers are on attached images.