Form the intersection for the following sets. r = {10, 15, 20} s = {20, 25} r ∩ s = a.{ } b.{10, 15, 25} c.{20} d.{10, 15, 20, 25}

Using two or more complete sentences, describe how you can find a vector parallel to b=-2,3

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)

The parabola x = y² - 9 opens: a.)up b.)down c.) right d.)left