You are interested in the effects of sleep deprivation on self regulation. You take a group of 150 people and measure how many cookies they eat while you interview them once when sleep-deprived and once when fully rested. You do a paired-samples t-test to analyze the data. You have degrees of freedom.

It says factor each expression 49x-28?

In the field of thermodynamics, rankine is the unit used to measure temperature. one can convert temperature from celsius into rankine using the formula , what is the temperature in celsius corresponding to r degrees rankine? a. 9/5(c - 273) b. 9/5(c + 273) c. 5/9( c - 273) d. 5/9( c + 273)

Look at the figure below: triangle abc is a right triangle with angle abc equal to 90 degrees. the length of ac is 5 units and the length of ab is 4 units. d is a point above c. triangle adc is a right triangle with angle dac equal to 90 degrees and dc parallel to ab. what is the length, in units, of segment cd?