Describe a real world connection of why you would need to find the area of a circle and a real world connection of why you would need to find the circumference of a circle.

Which of the following is the equation that says that the product of a number and ten is equal to 20 percent of that number ? a) 10n= 2.0n b) 10+n=.20n c) n+ .20n=10 d) 10n=0.20n

A. 127 cm^2 b. 144.5 cm^2 c. 172 cm^2 d. 50 cm^2

Which inequality statement describes the two numbers on a number line? "? 7 and a number 5 units to the right of ? 7"