PLEASE HELP ASAP Tickets for 2 adults and 3 children cost $45 Tickets for 4 adults and one child cost $55 How much does each ticket cost?​

15m is what percent of 60m; 3m; 30m; 1.5 km? the last one is km not m

In the diagram, be and ad pass throughthe center of circle o, and the area ofsector aoc is 47.45 square units. what isthe area of sector boc? use the value =3.14, and round your answer to two decimalplaces.22.33 square units25.12 square units

Awavelength of 610 nm was found to be the most intense wavelength emitted by copper. answer the following questions about this wavelength of light. a) what is this wavelength in cm? b) what is the frequency that corresponds to this wavelength? c) what is the energy of light of this wavelength? d) what is the wavenumber corresponding to this wavelength?