4. Tickets to a play cost $8 for an adult and $3 for a student. If 360 tickets were sold for a total of $1,620, how many adult tickets and how
many student tickets were sold?

The diagram shows a 7cm by 6cm rectangle based pyramid. all the diagonal sides - ta, tb, tc and td are length 10cm. m is midpoint of rectangular base. work out height mt to 1 decimal place

Hello i need some with trigonometric substitutions. [tex]\int\limits^a_b {x} \, dx[/tex]

The ksp expression for the system pbcl2(s) pb+2(aq) + 2 cl-(aq) is: [pbc12][pb+2][2cl-] [pb+2][cl-]2 [pb+2][2cl-]2 [pbcl2][pb+2][cl-]2 [pb+2][2cl-]2[pbcl2]