Which expression is equivalent to 7 k2, where k is an even number?

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)

Acircle has a circumference of 28.36 units what is the diameter of the circle

The table represents a function. what is f(-2)? a.-3 b. -1 c.1 d.3