Arectangular room must have a maximum area of 84 square feet. if the room is to be 8 feet wide, what is the longest the room can be?

Divide the maximum area by the width:

84 / 8 = 10.5

The longest the room can be is 10.5 feet.

10.5

Step-by-step explanation:

in the attachment.   i didn't see your choices.   the word which means there is choices.

step-by-step explanation:

(x,y)

x tells you how much left or right you go from the origin

y tells you how much down or up you go from the origin

so for example (-3,2), you go left 3 and up twice. i denoted which of the ordered pairs is which in my graph.

1 + (6 / x - 1)

step-by-step explanation:

divide using polynomial division.