At 7 p. m. the temperature was 5 degrees fahrenheit and midnight the temperature was -7 degrees fahrenheit what was change in the temperature

Suppose there are 10 five and six-year-old attending a birthday party. when a 30 year old mother walks into the room with an infant in her arms, what happens to the mean age in the room? what happens to the standard deviation of ages in the room? a. the mean and standard deviation of both change. b. the meaning will change, but the standard deviation will stay approximately the same. c. i mean will stay approximately the same, but the standard deviation will change. d. the mean and standard deviation will both stay approximately the same.

If jm equals 5x -8 and lm equals 2x -6 which expression represents jl

Which expression is equivalent to 5r6141 2r+st6