Arjun's school is selling tickets to the annual talent show. On the first day of ticket sales the school sold 7 adult tickets and 9 student tickets for a total of $121. The school took in $22 on the
second day by selling 2 adult tickets and 1 student ticket. What is the price each of one adult
ticket and one student ticket?
solve by using elimination

don't know sorry bru

step-by-step explanation:

s

step-by-step explanation:

here is your mark brainliest

the answer is: d) o, f, and kr.

atomic radius of bromine (br) is 114 pm.

atomic radius of oxygen (o) is 73 pm.

atomic radius of fluorine (f) is 72 pm.

atomic radius of krypron (kr) is 112 pm.

the atomic radius of a chemical element is a measure of the size of its atom.

the atomic radius varies with increasing atomic number, but usually increases because of increasing of number of electrons.

the atomic radius decreases across the periods because an increasing number of protons, because greater attraction between the protons and electrons.