Ahomeowner has two rectangular structures in her backyard. the dimensions of the hot tub are 6 feet by 8 feet. the dimensions of the fire pit is 7 feet by 9 feet. the length of the square backyard is 20 feet. what area is the yard is not covered by the hot tub and there fire pit?

question number 2 !
you in advance!

Step-by-step explanation:

we know that

To find the area of the backyard that is not covered  by the hot tub and fire pit subtract the area of the hot tub and the area of the fire pit from the total area of the square backyard

so

i believe it is c.y = 9x

rise over run. 9 units up over 1 unit right or 9/1

option (b) is correct

step-by-step explanation:

to find the solution of this system, we need to convert it into reduced row-echelon form. we have,

after applying row operations r2 -> r2/2 and r3 -> r3/3, we get,