Please help me ASAP and thank you those who repond or at least tried

answer: sorry i can't you.

step-by-step explanation:

question 1: step-by-step explanation:

1/4 of 84 = 84÷4= 21

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