Answer:
question 21 is x= 30
Step-by-step explanation:
when you multiply 7 by 5 you get 35 which is on the bottom side. So, to get x you multipy 6 and 5 and that equals 30.
This is 8). the line is 5 on the y-axis.
The kinetic energy transfers from the moving ball to the non-moving ball.
12 multiplied by 12 equals 144.