I need help on this.

the third step

Step-by-step explanation:

they ignored order of ops and added 5+12 instead of being smart and doing 12x2 like regular people.

191 students play sports and ninety-seven 10th graders were surveyed.

step-by-step explanation:

the circumference of a circle is, 10.676 cm.

step-by-step explanation:

the formula for circumference of a circle is given by:

where

c is the circumference of a circle and

d is the diameter of a circle.

given: diameter(d) = 3.4 cm and use

substitute these values in [1] we get;

cm

therefore, the circumference of a circle is, 10.676 cm