Given a sample variance of 6 what is the approximate sample standard deviation

Christina can paint 420 square feet in 105 minutes. which unit rate describes the scenario?

Which statements about the system are true? check all that apply. y =1/3 x – 4 3y – x = –7 the system has one solution. the system consists of parallel lines. both lines have the same slope. both lines have the same y–intercept. the equations represent the same line. the lines intersect.

The dash figure is a dilation if the original figure. find the scale factor. classify the dilation as an enlargement or a reduction