When 2251 voters were polled, 52% said they were voting yes on an initiative measure. find the margin of error and an interval that is likely to contain the true population proportion. ±2.1%; between 49.9% and 54.1% ±21%; between 31% and 73% ±4.7%; between 47.3% and 56.7% ±47.4%; between 4.6% and 99.4%?

X+ y = k 2x + 3y = k + 1 the point of intersection of the lines has an x-coordinate of a.2k + 1 b.-2k + 1 c.2k - 1

Abcd is a square. what is the measure of angle bac

Which description is represented by a discrete graph? kiley bought a platter for $19 and several matching bowls that were $8 each. what is the total cost before tax? the temperature at 9 a. m. was 83° f and is heating up at an average rate of 6°f per hour. what is the temperature x hours later? juan ate an egg with 78 calories and some cereal with 110 calories per serving for breakfast. what is the total amount of calories he consumed? a bottle contained 2,000 ml of liquid and is being poured out at an average rate of 300 ml per second. how much liquid is left in the bottle after x seconds?