X-9/2=12
X=?
(Don’t send no links)

According to the normal model, what percent of receivers would you expect to gain fewer yards than 2 standard deviations below the mean number of yards

One line passes through (-7,-4) and (5,4) . another line passes through the point (-4,6) and (6,-9)

Point r divides in the ratio 1 : 5. if the coordinates of e and f are (4, 8) and (11, 4), respectively, what are the coordinates of r to two decimal places?