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.

Show all work to solve the equation for x. If a solution is extraneous, be sure to identify it in your final answer. square root of the quantity x plus 6 end quantity minus 4 equals x

The domain of all step functions is all real numbers true or false

Sharla bought 5 2/3 yd of striped fabric and 3 3/4 yd of spotted fabric to make some pillows. How many yards of fabric did Sharla buy?

Determine whether the sampling method described below appears to be sound or is flawed. In a survey of 599599 human resource professionals, each was asked about the importance of the experienceexperience of a job applicant.

Aziza has a triangle with two sides measuring 11 in. and 15 in. She claims that the third side can be any length as long as it is greater than 4 in. Which statement about Aziza's claim is correct?

Triangle abc is a right triangle. If AC = 4 and BC = 10, find AB. Leave your answer in simplest radical form.

Sam's dry cleaning store has 3 employees who fold the clothes. Each employee can fold 45 shirts every hour.

Which, if any, of the following statements are true?. Check all that apply. a. The stronger the base, the smaller the KbKb. b. The stronger the base, the larger the pKbpKb. c. The stronger the base, the smaller the pKbpKb. d.

6r+7=13+7r how do you solve this?

A chocolate shop has 32 chocolates with orange filling, 10 chocolates with strawberry filling and 5 chocolates with coconut filling.