What are the steps to simplify the expression (4+6i)(4−6i)? Match each step with the correct expression for finding the product of the complex numbers.

Karen will divide her garden into equal parts. she will plant corn in 8/12 of the garden. what is the lowest number of parts she can divide her garden into?

Given: △acm, m∠c=90°, cp ⊥ am , ac: cm=3: 4, mp-ap=1. find am.

The difference of three and the reciprocal of a number is equal to the quotient of 20 and the number. find the number.