Use a number line to solve equation -3+2+4-5= pleaseee help

Joe has some money in his bank account he deposits 45$ write an expression that represents the amount of money in joe's account

The students in a class were asked how many siblings they have. the data obtained is represented in the dot plot. the number of students who have no siblings is . the number of students who have three or more siblings is .

Find the rate of change for the situation.you run 7 miles in one hour and 21 miles in three hours.