28. Reasoning Real-number multiplication is commutative. Is the same true for matrix multiplication? Explain your reasoning.

What is the quadric regression equation that fits these data

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)

Write a function for a rotation 90 degrees counter clockwise about the origin, point 0