The sum of four times a number and 7 is -2.

x=-9/4

Step-by-step explanation:

4x+7=-2

1) Subtract 7 from both sides:

4x=-9

2) Divide both sides by 4:

x=-9/4

When the number of lateral faces increases, there are more types of cross-sectional shapes. That’s because there’s a wider range in the possible number of faces that intersecting plane can cut through. For a pyramid with four sides in the base, the intersecting plane can cut through three, four, or five faces. For a pyramid with five sides in the base, the intersecting plane can cut between three and six faces.

Step-by-step explanation: