Maria spent $18 to purchase 24 identical mechanical pencils. what is the cost for one mechanical pencil?

f $0.68. g $1.33. h $0.75

j $0.73

tell me how you got that answer.

guys and

A3cm×3cm\greend{3\,\text{cm} \times 3\,\text{cm}} 3cm×3cm start color greend, 3, space, c, m, times, 3, space, c, m, end color greend rectangle sits inside a circle with radius of 4cm\blued{4\,\text{cm}} 4cm start color blued, 4, space, c, m, end color blued . what is the area of the shaded region? round your final answer to the nearest hundredth.