9 squares because if there are 18 triangles in it then you divide 18 by 2 and get 9
X + y = 4
x - y = -6
--------------add
2x = -2
x = -2/2
x = -1
x + y = 4
-1 + y = 4
y = 4 + 1
y = 5
solution is : (-1,5)
Answer : 35 brownies
==================================
working:
3/5 = 21
1/5 = 21 / 3
1/5 = 7
5/5 = 7 x 5
1 (the amount of brownies she brought) = 35
Therefore, she brought 35 brownies
Answer:
X= 5
Step-by-step explanation:
Answer:
f(x) = 500(1/2)^x
Did this end up in the wrong category lol
