A community service group organizes a car wash that raise 7c- 18 dollars and a spaghetti dinner that raise 6s- 45 dollars which equation below represents the total amount of money raised

7c + 6s - 63

Step-by-step explanation:

add -45 and -18 to get -63

and add the others on because they can't be added or subtracted onto anything.

an advantage of the standard deviation is that it increases as the dispersion of the data increases. e. the interquartile range is preferred when the data are not skewed or no have outliers. an advantage of the standard deviation is that it uses all the observations in its computation.