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.

A $7,600 par value bond sells for $7,373. The coupon rate is 5.30%. What is the current yield

Show your work - 1=3r+2r

Determine the value of y in the equation: - 5y-9 = - (y-1) (show all work)

For his exercise last weekend Bentito walked 5 miles and jogged 2 miles what is the ratio of the miles walked to the total number of miles of exercise. Elsa chose answer A as the correct answer. How did she get that answer

The diameter of a small pizza is 16 centimeters. this is 2 centimeters more than two fifths of the diameter of a large pizza. find the, diameter of the large pizza

The length of one side, s, of a shipping box is s (x) = ^3√2x, where x is the volume of the box in cubic inches. A manufacturer needs the volume of the box to be between 108 in. 3 and 256 in. 3.

An ellipse is represented by the equation (y-3) ^2/169 + (x+6) ^2/144=1 each directrix of this ellipse is a (A) horizontal line that is 5 units (B) vertical line that is five units (C) horizontal line that is 33.8 units (D) vertical line that is 33.

2 pears cost as much as 3 apples. if the total cost of 2 pears and 3 apples is $2, what is the cost of 12 apples?

Work out the volume of a cubeboid 10cm by 3cm by 2cm

There are 166 South American animals in a zoo. That is 55 more than half the number of African animals in the zoo. Enter an equation you could use to find n, the number of African animals in the zoo.