Amuseum worker randomly displays 8 historical writings in a row. what is the probability that the worker lines them up from the oldest to the most recent from left to right?

a. 1/8p8
b. 8/8p1
c. 8/8p8
d 1/ 8p1

Right triangle xyz has a right angle at vertex y and a hypotenuse that measures 24 cm. angle zxy measures 70º. what is the length of line segment xy? round to the nearest tenth. 8.2 cm 8.7 cm 22.6 m 25.5 cm

Find the ratios of the corresponding sides

Aclassroom is made up of 11 boys and 14 girls. the teacher has four main classroom responsibilities that she wants to hand out to four different students (one for each of the four students). if the teacher chooses 4 of the students at random, then what is the probability that the four students chosen to complete the responsibilities will be all boys?