The number of hours per day a college student spends on homework has a mean of 6 hours and a standard deviation of 1.25 hours. yesterday she spent 3 hours on homework. how many standard deviations from the mean is that? round your answer to two decimal places. a.

1. what is the measure of ∠abc? what is the measure of ∠abd?

Venita is sewing new curtains. the table below shows the relationship between the number of stitches in a row and the length ofthe row.sewingnumber of stitches length (cm)51 131532024306what is the relationship between the number of stitches and the length? othe number of stitches istimes the length.o. the number of stitches is 3 times the length.

Simplify the expression below -3(10x+4y)+6(6x-2y)