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

126

147

168

189

A trunk measures 48 inches long, 22 and a half feet wide, and 32 inches high. How is the volume of the box?

A number x multiplied by 3/8 is 5/12

What is 123456 + 12345678=

In math what is the GCF of of 4a and 9a^4?

Sarah's yard is 2,304 square feet. If the shape of the yard is a square, how many feet is the length?

Harold brought three pounds of red apples and 4.2 pounds of green apples from the grocery store we're both kinds of apples are $1.75 a pound how much did Harold spend on apples

4-t=3 (t-1) - 5 solve the equation

Give a counterexample for the statement: 'All square roots are irrational numbers'. Explain your reasoning.

Find the value of c that will make 9x2 + 30x + ca perfect square trinomial.

Hat logarithmic function represents the data in the table? x f (x) 25 2 125 3 625 4