in the morning the temperature was 12 degrees below zero by early evening the thermometer has risen 11 degrees

Plz.yesterday, the snow was 2 feet deep in front of archie’s house. today, the snow depth dropped to 1.6 feet because the day is so warm. what is the percent change in the depth of the snow?

What is the the greatest common factor ?

Solve the system of equations using the substitution method. {y=−3x+7x=−2y−16 enter your answers in the boxes.