Integers on the Number Line Answers

The list shows numbers in order from least to greatest.Which is an integer that can be inserted on the blank line in the list?

The zero mark on the number line represents Maya’s home. The negative numbers represent the number of feet Maya walks from her home toward the left. The positive numbers represent the number of feet Maya walks from her home toward the right. Which point represents Maya walking 50 feet from her home toward the left?

A hot air balloon rose from ground level to 1000 feet in order to pass over a mountain. The balloon then descended 800 feet to a cruising height. Which point is a representation of cruising height in feet?