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?

What is the simplest form of 1225

Jake spent 3/4 of an hour each 2 days working on his science project kyile spent 1/4 of an hour of each 6 days working on his science project who spent the most time total working on on his project

If f (x) = 2x-6 and g (x) = (x) - 2x 2squared, find each value. 1. g (-1/3) 2. g (-1)

Is 1/8<-1/2 a solution or no?

Consider this system of equations: x - y = 11 5x + 4y = 100 For each ordered pair, determine whether it is a solution to the system of equations. Explain how you know. a. (12,1) b. (16,5) C. (20,0)

Which graph represents the solution set for - 4 (1-x) <-12+2x?

The A company is selling two different sized medicine balls to a local college's athletic department. ratio of the diameters is 15: 11. If the diameter of the smaller ball is 55 cm, what is the volume of the larger ball?

Factor this expression. 4x - 20 A. 4 (x - 16) B. 4 (x - 5) C. 4 (x-10) D. 4 (x-6)

A school science club conducts a car wash to raise money. The club spends $12 on supplies and charges $5 per car. After the car wash, the club has a profit of $113. How many cars did the members of the science club wash?

What are the prime factors of 625? A. 5, 5, 25 B. 1, 5, 5, 5, 5 C. 5, 5, 5, 5 D. 25, 25