Rectangular pyramid and triangular pyramid.
Number one is a square number two is quadrillateral
Answer:
=
−
1
1
Step-by-step explanation:
Answer:
Step-by-step explanation:
Given: 
To solve this equation, we need to isolate 
on one side of the equation algebraically. I see that we have like terms, but they are on opposite sides of the equal sign. Let's add 
to both sides.
To isolate x, divide both sides by 7.
Answer:
9
Step-by-step explanation:
