Without dividing, determine if 41,502 is divisible by 3 and explain how you know.

What is the benefit of the plasma membrane being selectively permeable? It guarantees that the cell will not grow so much that it ruptures. It allows the cell to maintain its internal conditions when the environment changes. It blocks invading pathogens from infecting the cell. It allows any substance through the membrane, ensuring that the cell has all the nutrients it requires.

8. The sum of the first \( n \) terms of a geometric progression is given by \( S_{n}=18\left[1-\left(\frac{1}{2}\right)^{n}\right] \) Find die conmun tatio of the proggession.

Ms. Tyson is doing an engineering challenge with her students. Each team will get a kit wit bags of marshmallows and boxes of toothpicks. Ms. Tyson has 36 bags of marshmallows and 48 boxes of toothpicks. She wants to use all the bags of marshmallows and all the boxes of toothpicks to make identical kits for the teams. (1) Which of the following numbers of identical kits can Ms. Tyson make? Choose ALL that apply.

Solve the equation and check the solution. \( 8-7=\frac{1}{7} y-9 \) \( y=\square \) (Type an integer or a fraction.)

7. ข้อใดเรียงลำดับจากมากไปหาน้อย่ดด้ถูกต้อง \( \begin{array}{l}\text { ก. } \frac{1}{2}, \frac{2}{3}, \frac{3}{5}, \frac{4}{10} \\ \text { ข. } \frac{2}{3}, \frac{3}{5}, \frac{1}{2}, \frac{4}{10} \\ \text { ค. } \frac{4}{10}, \frac{1}{2}, \frac{2}{3}, \frac{3}{5} \\ \text { ง. } \frac{3}{5}, \frac{4}{10}, \frac{1}{2}, \frac{2}{3}\end{array} \)