Which best completes the statement: The vertices of a triangle are collinear. A. always
B. never
C. sometimes
D. not enough information

How long would it take for a ball dropped from the top of a 576-foot building to hit the ground? round your answer to two decimal places.

In factoring by grouping, what would you have for step 3 for the following? step 1: x^3 +5x^2 +4x+20 step 2: x^2 (x+5)+4(x+5) step 3: ?

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?