A psychology teacher gave a test to 200 students, and, after seeing the results, decided that the scores were normally distributed. The mean score was 60, and the standard deviation was 10. How many students had scores
between 40 and 80?

Marina baked cookies. she gave 3/4 of the cookies to the scout bake sale. she shared the remaining 6 cookies with her friends. how many cookies did marina bake?

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.

Iknow the answer but the calculator doesn't seem to give the right one