Which statement is true for the equation 5n − 4 = 5n − 3?

it has infinitely many solutions.
it has two solutions.

Which is an equation for the nth terms of the sequence 12,15,18,21

Jenny earned a 77 on her most recent test jenny score is no less then 5 points greater then 4/5 of terrance’s score if t represents terrance score which inequality represents the situation

Scores on the cognitive scale of the bayley-scales of infant and toddler development range from 1 to 19, with a standard deviation of 3. calculate the margin of error in estimating the true mean cognitive scale score, with 99% confidence, if there are 12 infants and toddlers in a sample.