How to write an equivalent ratio for 9 over 27 without using a multiplication table

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)

In the 30-60-90 triangle below side s has a length of and side r has a length

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