Answer this and i'll mark you brainliest!

lesson: solving systems of equations ~ substitution
y+x=-11
y=4x+5

Combine the information in the problem and the chart using the average balance method to solve the problem.

A3-dimensional figure has a square base and 4 lateral faces that meet at a point. explain the difference between the cross sections when a slice is made perpendicular to the base through the vertex, and when a slice is made perpendicular to the base and not through the vertex

Lola says these two expressions have the same value. expression a expression b which explains whether lola is correct?