When balancing her checkbook, Allison made an error which caused her to show a balance that was $54.00 above the actual balance. She had accidentally reversed the digits of the amount of one check. The sum of the digits of that check amount was 12. a. Write two equations to represent this situation. b. What is the best method to use to solve this system? Why? c. Solve the equations to determine the true amount of the check.

answer: 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000

step-by-step explanation:

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.

answer: (-6,3)

step-by-step explanation:

where are the graphs?

step-by-step explanation: