What is -1 and 2/3 as a importer fraction

Evaluate the expression for the given value of the variable 2×(c2-5) for c=4

In a graph with several intervals o data how does a constant interval appear? what type of scenario produces a constant interval?

The table shows the number of students who signed up for different after school activities. activity students cooking 9 chess 4 photography 8 robotics 11 select the true statements about the information in the table.