The diagram below represents the nucleus of an atom. What are the atomic number and mass number of this atom?

The atomic number is 11 and the mass number is 20.
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The atomic number is 11 and the mass number is 19.
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The atomic number is 9 and the mass number is 20.
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The atomic number is 9 and the mass number is 19.
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Tom is the deli manager at a grocery store. he needs to schedule employee to staff the deli department for no more that 260 person-hours per week. tom has one part-time employee who works 20 person-hours per week. each full-time employee works 40 person-hours per week. write and inequality to determine n, the number of full-time employees tom may schedule, so that his employees work on more than 260 person-hours per week. graph the solution set to this inequality.

Which of the following is an example of a rational number? a. π b. √ 9 c. √ 8 d. 3.8362319

Point s lies between points r and t on . if rt is 10 centimeters long, what is st? 2 centimeters 4 centimeters 6 centimeters 8 centimeters