If a_n is a sequence that includes the terms: 250, ___, 10
What missing number(s) would the missing term be if:

a) a_n is arithmetic
b) a_n is geometric

Empty box + box + empty box fill in the box is equal to 30 how

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.

Solve the formula ax+ by = c for x.