Find the perimeter of a regular nonagon with a side length of 21?

126

147

168

189

Tyler can rake 1/3 of a yard in 1/5 of an hour. How many yards can he rake in one hour?

Evaluate the expression. a+b/c when a=to 24 b = 36 and c = 4

The sum of the least and greatest of 3 consecutive integers is 98. What is the lowest integer?

Which statements describe the sequence - 3, 5, - 7, 9, - 11, ...? Check all that apply. The sequence has 5 terms. The 4th term of the sequence is 9. f (5) = 2 The domain of the sequence is all natural numbers.

How do you Find 15% of 15% of 15% of 500? How does this compaare to 45% of 500?

What two numbers give you the sum of 31 and a product of 234

A car dealership sold 78 new cars and 67 used cars this year. The number of new cars sold by the dealership has be increasing by 6 cars each year. The number of used cars sold by the dealership has been decreasing by 4 cars each year.

A cone with a mass of 6 g has a radius measuring 5 cm and a height of 2 cm. what is its density?

12/84 in unit fraction

5. The temperature was -1.5°C at 6:00am and 4.7°C at noon. What is the difference between the two temperatures?