Bills new [porch is rectangular with an area of 50 square feet if the length of the porch is two times the width what is the perimeter of the porch

Which expression gives the area of the triangle shown below

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 numbers are included in the set of integers? what numbers are not included?