Arandomly selected sample of 100 students had an average grade point average (gpa) of 3.2 with a standard deviation of 0.2.

the standard error of the sample mean is:
a. 0.020
b. 0.200
c. 1.600
d. 2.000

Which property was used to simplify the expression? 3c+9 +4c=3c+4c+9

On the first of each month sasha runs a 5k race she keeps track of her times to track her progress her time in minutes is recorded in the table

Jo divides a candy bar into eight equal pieces for her children to share she gives three pieces to sam three pieces to leslie and two pieces to margie rose the two month old baby does it doesn't get any what fraction shows how muchw candy each of the four children got. what's the answer to my question