Mr. hogan's class has 16 students in it. on picture day 5 students stand in the first row, 4 students stand in the second row, 3 students stand in the third row, and 4 students stand in the fourth row. if a random student blinks what is the probability that the student will be in the second or third row?
a. 1/4
b. 3/16
c. 5/16
d. 7/16

Solve this riddle: i am an odd number. i an less than 100. the some of my digit is 12. i am a multiple of 15. what number am i?

What is the circumference of the pie

The stem-and-leaf plot shows the heights in centimeters of teddy bear sunflowers grown in two different types of soil. soil a soil b 5 9 5 2 1 1 6 3 9 5 1 0 7 0 2 3 6 7 8 2 1 8 3 0 9 key: 9|6 means 69 key: 5|8 means 58 calculate the mean of each data set. calculate the mean absolute deviation (mad) of each data set. which set is more variable? how do you know?