Aconcert charges $24.50 per daily adult ticket and $13.75 per child’s ticket. a group of 90 people paid $1560.00 for tickets. write a system of equations that could be used to find x, the number of adult tickets purchased, and y, the number of children's tickets purchased?

In the following situation, determine whether you are asked to determine the number of permutations or combinations. then do the calculation how many ways are there to pick a starting five from a basketball team of twelve members? a. permutation; ps - 2520 b. combination; 1c, - 792 c. combination: 2cs - 2520 d. permutation; ps - 95040

Which number line represents the solution set for the inequality - x 24?

An airplane travels at an unknown elevation before it descends 3 miles to an elevation of 15 miles. find the elevation of the plane before its descen.