Tim has a box of 15markers he gives three markers to four friends what exppresion can show the number of marker tim has left

Write an explicit formula that represents the sequence defined by the following recursive formula:

If you are trying to move an attached term across the equal sign (=), what operation would you use to move it?

Which statements describe the solutions to the inequality x< -20 check all that apply. there are infinite solutions. each solution is negative. each solution is positive. the solutions are both positive and negative. the solutions contain only integer values. the solutions contain rational number values.