2) A liter of water has a mass of 1 kilogram. What is the mass of the water in grams?
A)
1
B)
10
100
D)
1000

In triangle abc, the length of side ab is 12 cm, the length of side bc is 5 cm, and the length of side ca is 9 cm. find the measure of angle a using the law of cosines.

Apositive number a or the same number a increased by 50% and then decreased by 50% of the result?

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?