Work out the size of angle X

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)

Factor the monomial completely 42a3b3

Inez has a phone card. the graph shows the number of minutes that remain on her phone card a certain number of days.