What is the exact area of a circle with a diameter of 44ft?
a 44xpi
b 88xpi
c 484xpi
d 1936xpi
19 points for this one i will and rate 5 star!

For a science project, a high school research team conducted a survey of local air temperatures. based on the results of the survey, the found that the average temperatures were around 10 degrees higher than expected. this result was wrong. the trouble with the survey was that most of the locations were exposed to direct sunlight and located over asphalt or sand, which resulted in higher temperatures than normal. this is a classic example of an error in which phase of inferential statistics?

Hello, i need compare km^2 and km. what's difference in this?

The distance from the sun to earth is about 1.5×10 to the 11th m suppose light travels at a speed of 3×10 to the 8th m per second about how long does it take light from sun to reach earth