In Ryan's kitchen, there are 15 black tiles and 10 white tiles. What is the ratio (in the simplest form) of white tiles to black tiles?

Tom wants to order tickets online so that he and three of his friends can go to a water park the cost of the tickets is 16.00 per person there is also a 2.50 one-time service fee for ordering tickets online write an expression in term of n that represents the cost for n ordering tickets online

Percent increase and decrease. original number: 45 new number: 18

Find measure angle 1 and measure angle 3 in the kite the diagram is not drawn on the scale