Help plz 20 points

Describe the possible echelon forms of the standard matrix for a linear transformation t where t: set of real numbers is onto.

Which equation represents the partial sum of the geometric series?

Iwill give brainliest only if your correct the words subsequent and submerge both contain the prefix sub. based on this information, what does the prefix sub most likely mean? a) under or secondary b) true or verifiable c) tricky or difficult d) around or centered on