Ab is perpendicular to cd, how many 90° angles are formed by the intersection? done clear

The step function g(x) is defined as shown. what is the range of g(x)? ***answer choices in picture.

If the table of the function contains exactly two potential turning points, one with an input value of –1, which statement best describes all possible values of m? m ≥ –12 –12 < m < 4 m ≤ 4 m ≥ 4 or m ≤ –12

It says factor each expression 49x-28?