What is the value of (23)2?

Match each statement with its corresponding value for the system below: y = -2(3)x and y = 9x - 2 1. the number of points of intersection. -2 2. the x-coordinate of the solution. 1 3. the y-coordinate of the solution. 0

An arc subtends a central angle measuring 7pi/4 radians what fraction of the circumference is this arc?

What is the simplified form of (3.25x10^3)(7.8x10^6) written in scientific notation?