One human year is said to be about 7 dog years. cliff's dog is 5.5 years old in human years. find his dog's age in dog years. round to the nearest tenth.

If anyone has done the algebra 2 chaos theory portfolio would you be wiling to me? i kind of know what i'm doing i just don't know if i'm doing it right.

Which expression gives you the distance between the points (5,1)and(9,-6)

The distribution of the amount of money spent by students for textbooks in a semester is approximately normal in shape with a mean of $235 and a standard deviation of $20. according to the standard deviation rule, how much did almost all (99.7%) of the students spend on textbooks in a semester?