For a party of one hundred fifty people, a caterer will need 67.5 pounds of prime rib. How many packages of prime rib should the caterer order if each package weighs 2.5 pounds?

The sum of two numbers is 86, and their difference is 20. find the two numbers

When only separate discreet points are graphed it is called?

Use the frequency distribution, which shows the number of american voters (in millions) according to age, to find the probability that a voter chosen at random is in the 18 to 20 years old age range. ages frequency 18 to 20 5.9 21 to 24 7.7 25 to 34 20.4 35 to 44 25.1 45 to 64 54.4 65 and over 27.7 the probability that a voter chosen at random is in the 18 to 20 years old age range is nothing. (round to three decimal places as needed.)