What are the slope and y-intercept for the graph of y – 7x = 10?

Which simplifys to a+ b? a-(1-b)+1 -(1-a)-b+1 (a--1) -1)+1

From the beginning of the day the temperature rose 15 degrees so that by 4 pm it was 87 degrees. what was the temperature at the start of the day

David leaves his house to go to school. he walks 200 meters west and 300 meters north. how far is david from his original starting point?