Find the approximate mean absolute deviation for this list of numbers. [Note: Type your answer as a decimal number, rounded to the nearest tenth.] 55, 35, 27, 63, 49, 22, 71 MAD =

Tod does not have any cookies. david gives jeff 8 cookies. then he splits half of the cookies he has left with tod. david let’s c represent the number of cookies that he starts with. he finds the number of cookies that tod has is 1/2 the difference of c and 8. write an expression to represent the number of cookies that tod has.

What are the solutions of the system? solve by graphing. y = -x^2 -6x - 7 y = 2

Awater holding tank measures 105 m long, 50 m wide, and 8 m deep. traces of mercury have been found in the tank, with a concen- tration of 60 mg/l. what is the total mass of mercury in the tank? answer in units of kg.