15x ( 7 - 5y) + 3 ( 5y - x) - ( 4x + 3) (5y - 2) = -95xy + 110x + 6 is your solution hope it helps :)!
Subtract.
596 3/5 - (-81.8) [81.8 is below sea level so it is negative]
566.6 + 81.8 [Convert to decimal and distribute negative]
= 678.4 feet
The median is the middle line. Range is the the lowest value subtracted from the highest value. Mode is the most often occurring number. The mean is the average of all the data.
According to my calculations the theoretical answer about to be given is number c
