Answer: D. all real numbers less than or equal to –3
can be simplified as 5-9+7=-4+7=3
The answer is 6.25 square kilometres
one side is 1.25 and the other will be 1.25*4 =5
and for the area we multiply the two 1.25*5=6.25
The answer for the question is y = 3x + 5