Write the product (2 + 71)(2 - 77) in the form a + bi​

What signals you that factoring by grouping is the best method to use when factoring a problem?

In the diagram below, tan θ = sqrt 3. what is the value of m?

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