The Diplodocus dinosaur is believed to have become extinct approximately 1.38x10^8 years ago. The Oviraptor is believed to have become extinct approximately 7x10^7? years ago. How many
years were there between the extinction of these two dinosaur types?

Through: (-3,-3) parallel to y= 7/3x+3

In parallelogram abcd the ratio of ab to bcis 5: 3. if the perimeter of abcd is 32 find ab

Monthly water bills for a city have a mean of $108.43 and a standard deviation of $32.09. find the probability that a randomly selected bill will have an amount greater than $155, which the city believes might indicate that someone is wasting water. would a bill that size be considered unusual?