The teacher assigns homework after 7/10 of the lesson

Ann and betty together have $60 ann has $9 more than twice betty’s amount how much money dose each have

Car a and car b were in a race .the driver of car b claimed that his car was twice as fast as car a

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.