A polling firm is conducting research on Internet use by calling the landline telephone of every tenth person listed in a local phone book. What bias may exist in the method they are using to do the poll?

you have $20 to spend on taxi fare. the ride costs $5 plus $2.50 per kilometer. write an inequality to determine the distance in kilometers, d, you can ride for $20

give the equation for the new circle obtained by translating the circle (x-2) ^2 + (y+4) ^2=36 by 6 units to the right and 4 units up

Which pair of triangles are congruent by AAS?

Edwards recipe for fudge uses a ratio of 2 1/4 cups of nuts to 1/2 lb of fudge how do I write a complex fraction to write a rate comparing the amount of nuts to the amount of fudge and how do I use the unit rate to to determine how many cups of nuts

A representative from plan 1 wants to use the graph below to sell health plans for his company. How might the graph be redrawn to emphasize the difference between the cost per doctor visit for each of the three plans?

Find the square root of 64/25

Use the definitions and theorems of this section to evaluate and simplify the following expression. Be sure to express answers with positive exponents. (b3) 2

One method of indirect measurement involves setting up a right triangle and measuring one of the acute angles.

What is the remainder of 39 divided by 5?

Is - 4 or - 3 rational