Solve for the variable a in this equation: c=8πab

c8π=a

c8πb=a

8πbc=a

c8=a

Write a division equation you could use to find a, the number of miles ava is in charge of. what is the value of a? write your answer is simplist form

The suare root of 9x plus 7 plus the square rot of 2x equall to 7

Astudy was interested in determining if eating milk chocolate lowered someone's cholesterol levels.ten people's cholesterol was measured. then, each of these individuals were told to eat 100g of milk chocolate every day and to eat as they normally did. after two weeks, their cholesterol levels were measured again. is there evidence to support that their cholesterol levels went down? how should we write the alternative hypothesis? (mud = the population mean difference= before - after)a. ha: mud = 0b. ha: mud > 0c. ha: mud < 0d. ha: mud does not equal 0