Which equation represents a circle that is concentric with the circle shown but has a radius that is twice as large? (x - 4) 2 + (y - 6) 2 = 4 (x - 4) 2 + (y - 6) 2 = 16 (x - 6) 2 + (y - 4) 2 = 16 (x - 6) 2 + (y - 4) 2 = 4

The world's fastest fish, a sailfish, swims at a of 69 miles per hour. Is the distance a sailfish swims propotial to the number of hours it swims?

One side of a square is represented by 5y. Which polynomial expression BEST represents the area of the square? A) 20y2 B) 25y2 C) 20y D) 25y

David's age is 7 years more than three times Bree's age. If the product of their ages is 110, how old is David?

Which of the following expressions represents the distance between - 4 and 1?

A scooter is 3 1/2 feet long. Find the length of a scale model of the scooter of the scale is 1 inch = 3/4 feet

Amanda has a job that pays $92,000 per year. How much will she pay in social security taxes? (Social security taxes are 6.2% of earnings

A triangle has a base of 10 millimeters and a height of 9 millimeters. What is the area? ___square millimeters

Roland made a trip of 450 miles in 8 hrs. Before noon he averaged 60 miles per hr, and after noon he averaged 50 miles per hr. At what time did he begin his trip and when did he end?

How much is 35 ounces of apple sause if 40 ounces cost $2.80

A group of 6 students was asked how many hours did you watch television last week?' Here are there responses. 5,5,5,7,16,11 Find the mean number of hours for these students If necessary, round your answer to the nearest tenth.