24+8 = 30
30 - 12 = 18
18-9 = 8
There are 8 cards left in the stack
Answer:
AC^2=AD^2+CD^2= 3^2+3= 12
AC= 
Step-by-step explanation:
Answer:
The new volume is 375 cubic inches.
Step-by-step explanation:
Volume of a right square prism:
The volume of a right square prism is given by:

In which a is the length of the edge and h is the height.
A right square prism has a volume of 75 cubic inches.
This means that:

The prism is enlarged so its height is increased by a factor of 5
Edge is the same, height is 5 times. So

The new volume is 375 cubic inches.
the equation is:
6x - 3 = 7
Not sure if that's what you are asking?
If you solve for x that is:
x = 5/3