The diameter of a circle is 18 in. 4x +5 represents the radius. write two equations that you can find the value of x. then find the value of x.
which equations can you use to solve for x ?
select two equations
a. 4x+5=9
b.2(4x+5)=9
c. 2(4x+5)=18
d. 4x+5=18

Ametal rod needs to be 9 feet and 5.5 inches in length. the sections of the poles being used are each 1 foot and 10.5 inches long. how many 1ft 10.5in sections would be needed to complete the 9ft 5.5in metal rod? and how many inches of material will be left?

Asquare has a side that measures 11 units. what is the area of a circle with a circumference that equals the perimeter of the square? use 3.14 for π, and round your answer to the nearest hundredth. 1519.76 units2 379.94 units2 616.56 units2 154.14 units2

If the ratio of sum of the first m and n terms of an ap is m2 : n2 , show that the ratio of its mth and nth terms is (2m − 1) : (2n − 1).