According to a survey, 70 middle school students, or 28% walk to school. how many students attend the middle school?

What is the difference between regular convex and concave polygons

Which of the following is the best first step in solving the equation below? 4+2㏒³x=17

Awoman has 14 different shirts: 10 white shirts and 4 red shirts. if she randomly chooses 2 shirts to take with her on vacation, then what is the probability that she will choose two white shirts? show your answer in fraction and percent, round to the nearest whole percent.