In a year, almost a billion people on the planet didn't have access to clean drinking water. If there were 4.7*10^9 people in the world, then approximately what percent of them lived without clean drinking water

Reagan surveyed a number of her classmates about what time they usually go to bed. Of the fifteen classmates she asked, nine said 10 p. m. What percent of the students is this?

The parametric equations x=t+4, y=2t+7 describe most closely which line? A) y=2x B) y=2x+1 C) y=x-1 D) y=2x-1

Sarah rolls 2 fair dice and adds the results from each. Work out the probability of getting a total that is a factor of 6

The five number summary for the length of duration in minutes of old faithful's eruptions is [1.7, 2.3, 4.0, 4.4, 5.2]. (note: these are not the data.) approximately what percentage of the eruptions last longer than 2.3 minutes?

At a particular college, 78% of all students are receiving some kind of financial aid. The school newspaper selects a random sample of 100 students and 72% of the respondents say they are receiving some sort of financial aid.

An antelope Can run at a speed at 61 mph. What is the speed in yards per second? Round to the nearest hundredth.

Which of the following would be the most effective means of controlling current water pollution of United States surface waters?

How do you write 151% as a fraction or mixed number in simplest form?

Sam and his two brothers want to fly to Boston. About how much will Sam and his brothers save buying the less expensive fare? Skies the limit airline $319 In the clouds airlines $405

The sum of two numbers is 65 and the difference is 13. what are the numbers?