it was -11 degrees. She checked again later and it was -2 degrees . Express the change in tempature as a integer Help me !

Which system of linear inequalities is graphed? can somebody pleasssse

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.

Can you me find the missing length. i attached an image.