Suppose your school plans a musical. the directors goal is ticket sales of at least $4500. adult tickets are $7.50 and student tickets are $5.00. let a represent of adult tickets and a represents the number of student tickets. which inequality represents the director's goal?
a)5a+7.5s< 4500
b)7.5+5s> 4500
c)7.5+5s< _(less or equal)4500
d)7.5a+5s> _(greater or equal)4500

What is the solution to the system of equations? (–2, –8) (–1, –5) (0, –2) (2, 4)

Sketch the vector field vector f( vector r ) = 8vector r in the xy-plane. select all that apply. the length of each vector is 8. the lengths of the vectors decrease as you move away from the origin. all the vectors point away from the origin. all the vectors point in the same direction. all the vectors point towards the origin. the lengths of the vectors increase as you move away from the origin.

What is the perimeter of an equilateral triangle if each side is (x+3)?