Re-arrange this polynomial so its terms
are in order from highest to lowest.
5x + 2x3 – 15 - 7x2

Angel entered a triathlon (a three-part race). he swam 1 mile, rode his bike 30 miles, and ran 10 miles. how far did he go altogether? a. 11 miles b. 123 miles c. 41 miles d. 40 miles

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?  

The measure of one angle of an octagon is two times smaller that of the other seven angles. what is the measure of each angle?