.A number is divided into two parts in the ratio 5:3. If the smaller part is 180, find the number and the larger part

Acircle has a radius of 5/6 units and is centered at (3.6, 7.8) write the equation of this circle

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?  

Ahiker stands at an unknown elevation before he ascends 2 miles up a mountain to an elevation of 9 miles. find the elevation of the hiker before his ascent.