the ages of student volunteers at an event are 13, 11, 12, 15, 16, 11, 12, 14, , and 11. find the range age of students​

Which fraction is not equivalent to 8/12 a. 2/3 b. 24/36 c. 4/10 d. 6/10

An expression for the average of x 2x and 3y

Abc is dilated by a scale factor of 3 with the origin as the center of dilation, resulting in the image a'b'c'. if the slope of line ab is -1.2, what is the slope of line a'b'? a. -1.2b. 3.6c. 1.2d 1.8