Answer:
x=6
Step-by-step explanation:
When you have 7x+5=5x+17, you try to get the variables on one side and the constants on the other. Subtract 5x from the right and from the left: 2x+5=17. Next, subtract 5 from the left and from the right: 2x=12. The last step is to get rid of the coefficient of x and to do that divide it by the coefficient(in this case divide both sides by 2). After dividing 2x and 12 by 2 you get x=6.
Answer:
huh?
Step-by-step explanation:
Answer: 27 times bigger.
Step-by-step explanation:
You need to use the following formula to find the volume of a Square pyramid:

Where "s" is the edge of a side of the square base and "h" is the height of the pyramid.
Knowing that:

You can find the volume of the Pyramid A and the volume of the Pyramid B:

Finally divide the volume of the Pyramid B and the volume of the Pyramid A, in order to find how many times bigger than the Pyramid A is the Pyramid B.
You get:

Greatest
1- 7.5
2- 1 1/2
3- -1 1/2
4- -15
Least