Round 36,428,591 to the nearest million

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

Δabc is dilated by a scale factor of 3 with the origin as the center of dilation to form δa′b′c′. the slope of is -1.2. the length of is p units, the length of is q units, and the length of is r units. the slope of is . the length of is units.

What percent of 18 is 24? and plz explain thx.