The answer is , 40 is greatest, or largest, and -20 is least, or smallest.
Hey there! :D
Add the expression's together.
3x+y=27
-3x+4y= -42
3x+(-3x)= 0
y+4y=5y
27+(-42)= -15
5y=-15
Divide both sides by 5.
y=-3
Now, find x.
3x+y=27
3x-3= 27
3x=30
x=10
The solution is (10,-3).
I hope this helps!
~kaikers
A = 1/2 bh
= 1/2(3)(4)
= 12/2
=6
answer is <span>B) 6 units</span>
8/9 / 2/10
Put in decimal form
.89 / .2 = 4.444 = 40/9