Ascientist is measuring the temperature change in a chemical
compound. the temperature dropped 11 °f per hour from the
original temperature. after 4 hours, the temperature was
90 °f. find the compound's original temperature.

Aschool puts on a play. the play costs $1,200 in expenses. the students charge $4.00 for tickets. there will be one performance of the play in an auditorium that seats 500 people. what is the domain of the function that shows the profit as a function of the number of tickets sold?  

What is the solution set of the quadratic inequality x^2-5< or equal to 0

Drag each tile to the correct box. not all tiles will be used. consider the recursively defined function below. create the first five terms of the sequence defined by the given function