The quotient of a complex number and 3i is 11 - 2i. Find the missing complex number

What is the length of the unknown leg in the right triangle ?

When 142 is added to a number the result is 64 more times the number my options are 35 37 39 41

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