Answer:
13 protons
14 neutrons
13 electrons
Step-by-step explanation:
protons and electrons are mostly always the same
Answer:
9
Step-by-step explanation
Sqaure root of 9 is 3, a rational number
S+a=150
3s+8a=1000
a=-s+150
3s-8s+1200=1000
-5s=-200
s=40
a=110
40 student and 110 adult tickets were sold
1) (15+6-5x+4)
= 25-5x
= 5(5-x)
2) (24-10+8x+9)
= 23+8x
Answer:
Step-by-step explanation:
the y intercept determines where you are going to start and then your m or your slope tells you how many units up or down and left and right you are going to go or you rise over run in this case 2/1
so you start at (0,2) and then move 2 up and one to the right
and you go 2 units down and 1 to the left