Given that A, O & B lie on a straight line segment, evaluate x.

The diagram is not drawn to scale.

Country carpets charges $22 per square yard for carpeting, and an additional installation fee of $100. city carpets charges $25 per square yard for the same carpeting, and an additional installation fee of $70

Solve the equation -9p - 17 =10 a -3 b. 16 c. 18 d -16

Use sigma notation to represent the following series for 9 terms.