Using the data below, find "a," the y-intercept of the least-squares line. Round to five decimal places

The number of nails of a given length is normally distributed with a mean length of 5.00 in, and a standard deviation of 0.03 in. find the number of nails in a bag of 120 that are less than 4.94 in. long.

Solve 2x+y=3 x+y=5 in substitution method

The focus of parabola is (-4, -5), and its directrix is y= -1. fill in the missing terms and signs in parabolas equation in standard form