The temperature at noon is 18 degrees with the wind chill, it feels like -4 degrees. how much colder is the wind chill temperature than the actual temperature

Me, prove a quadrilateral with vertices g(1,-1), h(5,1), i(4,3) and j(0,1) is a rectangle using the parallelogram method and a rectangle method.

If mary had 320 toy cars and she gave her friend 50 cars and then she gave her brother 72 more cars how much toy cars would mary have left ● explain with proper details

Find the percent error of the measurement 4 cm