According to the empirical rule, if the data form a "bell-shaped" normal distribution, percent of the observations will be contained within 3 standard deviations around the arithmetic mean. a) 68.26
b) 75.00
c) 95.0
d) 99.7

Follow these steps using the algebra tiles to solve the equation −5x + (−2) = −2x + 4. 1. add 5 positive x-tiles to both sides and create zero pairs. 2. add 4 negative unit tiles to both sides and create zero pairs. 3. divide the unit tiles evenly among the x-tiles. x =

If 25% of y is 30, what is 60% of y?

30 ! the graph shows the number of siblings different students have. select from the drop-down menus to correctly complete the statement.