X+6y=18 what is the solution it is a linear equation

Evaluate-27 ^4/3/8 a) - 81/16 b) 81/16 c) 16/81

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)

To which set of numbers does the number –5 belong? select all that apply. integers natural numbers rational numbers real numbers whole numbers