X-3y, x=3, y=-2
(3)-3(-2)
(3)+(3*2)
3+6=9
The keyword is "sum" which tells you x, y, and z are being added. One half of the sum means that the sum of the three numbers is going to be divided by 2.
x + y + z
------------
2
Answer:
9x+4
Step-by-step explanation:
Answer:
__ - 8=81
unsure if we're adding his friend but for this i assume no,
81+ 8 = 89
so its either 89 or
89+13=102
The surface area of the cube is 600cm^2.
6(10^2)
6(100)
600