The common log has a base of?

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)

Pyramid shown has a square base that is 18 inches on each side has a surface area of 164 square inches what is the slant height

Find the greatest common factor of the followig monomials 46g^2h and 34g^6h^6