What is the difference between the temperature - 7 Celsius and - 12 Celsius on a scatter diagram

Iq scores for adults age 20 to 34 years are normally distributed according to n(120, 20). in what range does the middle 68% of people in this group score on the test?

If g^-1(x) is the inverse of g (x) which statement must be true

Jonathan can type 20 documents in 40 minutes ,and susan can type it in 30 minutes and jack can type it in 24 minutes working together ,how much time will it is take them type the same document