Na primeira tira retangular abaixo representa a fração um terço e nas outras tiras representa frações equivalente a fração um terço

The table shows the webster family’s monthly expenses for the first three months of the year. they are $2,687.44, $2,613.09, and $2,808.64. what is the average monthly expenditure for all expenses?

Anormally distributed data set has a mean of 176.3 and a standard deviation of 4.2. what is the approximate z-score for the data value of 167.9? 2.00 −2.00 8.4 −8.4

What are the solutions of the system? solve by graphing. y = x^2 + 3x + 2 y = 2x + 2