Irene received $425 in annual interest on a principal investment sum of $5,000. what was the simple interest rate for his

The equation x2 – 1x – 90 = 0 has solutions {a, b}. what is a + b?

The means and mean absolute deviations of the individual times of members on two 4x400-meter relay track teams are shown in the table below. means and mean absolute deviations of individual times of members of 4x400-meter relay track teams team a team b mean 59.32 s 59.1 s mean absolute deviation 1.5 s 245 what percent of team b's mean absolute deviation is the difference in the means? 9% 15% 25% 65%

Is the point (0, 8) on the x-axis or y-axis? how do you know?