I need help I might mark brainliest

While scuba diving, rajeev dove to a depth of 12.6 feet below the surface of the water and then descended another 8.7 feet. what expression can be used to find rajeev's new position? 12.6 – 8.7 –12.6 – 8.7 –12.6 – (–8.7) 12.6 – (–8.7)

What is the order of these fractions from least to greatest 2/3 7/10 5/8 65/100

If i have 20$ and i gave 5$ away how much i got