Abacteria population increases every hour. at 12 p. m.,there are 5 cells. at 1 p. m. there are 10 cells. at 2 p. m. there are 20 cells. at 3 p. m there are 40 cells. if this pattern continues, how many cells will there be at 7 p. m? explain

Standard deviation of 19,29,21,22,23

Aladder that is 20ft long is leaning against the side of a building. if the angle formed between the ladder and the ground is 75 degrees how far is the bottom of the from the base of the building?

Solve the problem by using a venn diagram a group of students were surveyed about their taste in music.they were asked how they like three types of music: rock, country western and jazz.the results are summarized below: no one dislikes all three types of music.six like all three types of music.eleven don’t like country western.sixteen like jazz.three like country western and jazz, but not rock.six don’t like rock.eight like rock and country western.seven don’t like jazz.how many students were surveyed?