In 2011, there were 984 rotary rigs drilling for crude oil in the United States. This was 687 more rigs than were active in 2007. Find the number of active rotary oil rigs in 2007.

20 milligrams of the drug lincomycin is to be given for each kilogram of a person's weight the drug is be mixed with 250 cc of a normal saline solution, and the mixture is to be administered intravenously over a 1 hour period.

Ali needs to read 3 novels each month. let n be the number of novels Ali needs to read in M months. Write an equation relating N to M.

The scale factor of two similar solids is 3:7. What is the ratio of their corresponding volumes?

10. A box contains 514 grams of cereal. One serving is 54 grams. How many servings of cereal does the box contain?

The original price of a computer games is 45$. The price is marked down by 18$. What percent of the original price is the markdown?

The ratio of the number A people who all are iPhone to the number of people who on the android is 7:2 there were a 108 people surveyed how many people have an android

What is the difference in mass between a nickel that weighs 4.7 g and a nickel that weighs 4.874 g?

What is - 4j - 1-4j 6 in simplest form

A company that manufactures radios first pays a start-up cost, and then spends a certain amount of money to manufacture each radio. If the cost of manufacturing r radios is given by the function c (r) = 5.25r + 125, then the value 5.

Which expressions have a value of StartFraction 16 Over 81 EndFraction? Check all that apply. (Two-thirds) Superscript 4 (StartFraction 16 Over 3 EndFraction) Superscript 4 (StartFraction 4 Over 81 EndFraction) squared (StartFraction 4 Over 9