Is this congruent or not congruent? And is this SSS
SAS
SSA
AAS
ASA
HL
PLEASE HELP, I will brainliest u

The sum of the speeds of two trains is 720.2 mph. if the speed of the first train is 7.8 mph faster than the second train, find the speeds of each.

Solve for x: 5/3 x = 20/21 it's fraction. remember to simplify your fraction

Identify all the cases where non-probability sampling is used when attempting to study the characteristics of a large city. studies on every subject in the population divide a population in groups and obtain a sample studies with a limited amount of time demonstrate existing traits in a population studies with the nth person selected