20.) what is the solution of the system of equations?
y = 3x + 7
y = x – 9

a.) (–1, –10)

b.) (–17, –8)

c.) (–8, –17)

d.) (4, 19)

if a = 1,   and b = 2, then the answer is 47.99999999. if you round that to the nearest whole number, the answer is 48.

answer by yourhope:

hi! : )

a farmer that lived in ancient egypt would most likely be barried in the sand, in the desert!

: )

just sum

10 + 10 = 20