The cost of a computer processor is directly proportional to its speed. A 4GHz processor costs £400.

Let be the speed of a processor in GHz.

Let be the cost of a process in pounds.

Find a formula linking the two variables.

Which of the following situations represents a linear relationship? a. theresa increases the distance she runs by 0.1 miles every week. b. the volume of a box depends on the length of box. c. the amount of money in a bank account increases by 1 percent each year. d. the population of a town doubles every 5 years.

What are the digits that repeat in the smallest sequence of repeating digits in the decimal equivalent of 24/11?

Afarmer has a large field that is x feet in length. he wants to fence in a rectangular section in the middle of the field , leaving a length of 100 feet of open field behind each end of the fenced rectangle.he also wants the width of the fenced-in space to be 100 feet less than its length. find the expressions to represent the length and width of the fenced section of the field