The mean of a set of data is 25 with a standard deviation of 2. What is the interval about the mean of the data within one standard deviation?

Adj has a total of 1075 dance and rock songs on her system. the dance selection is 4 times the size of the rock selection. write a system of equations to represent the situation.

Graph the equationy= x+3[tex]y = x + 3[/tex]

Solve the formula ax+ by = c for x.