If the square root of 3 equals a than what’s a times a

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)

Choose the more precise measurement. 26.4 cm or 8.39 cm

What is the ratio of the length of an object in yards to the length of the same object in miles?