Agroup of 20 students includes 5 students in sixth grade, 8 students in seventh grade, and 7 students in eighth grade. each student's name and grade are written on an index card and placed in a bag. a card is randomly selected from the bag. what is the probability that a seventh grader's name will be selected, p(seventh grader) p(seventh grader) ?

Can someone pls ! pls answer all. no explanation needed..

Abc will undergo two transformations to give aa'b'c' which pair of transformations will give a different image of aabc if the order of the transformations is reversed? a. a rotation 90' counterclockwise about the origin followed by a reflection across the y-axis b a translation 5 units down followed by a translation 4 units to the right c. a reflection across the x-axis followed by a reflection across the y-axis a rotation 180'clockwise about the ongin followed by a reflection across the y-axis reset next 2 omentum all rights reserved o atk me anything o o e

During a wright loss challenge your friend goes from 125 pounds to 100 pounds.what was the percent weight loss