Which type of sampling method is being employed in the following example? a study is being conducted of all schools in gwinnett county. one student's parents from each school is randomly selected and asked in a survey what they think of gwinnett county public schools.
simple random sampling

stratified sampling

cluster sampling

sampling of convenience

systematic sampling

It is cluster

Step-by-step explanation:

because it is a group of people

the formula for the equation of a circle is (x – h)2+ (y – k)2 = r2, where (h, k) represents the coordinates of the center of the circle, and r represents the radius of the circle. if a circle is tangent to the x-axis at (3,0), this means it touches the x-axis at that point.

236 cm 16 time 12 = 192

6 times 7 = 42

192+42