2. ebony's bank balance first reached $400 on day 4. the last day her balance was $400 was day 8. (a) determine . explain how you determined these amounts. (b) estimate . explain how you determined these amounts. (c) jade said that the amount of money ebony took out of her account each day between day 8 and day 12 was the same amount of money she put into her account each day between day 0 and day 4. recall that day 12 is when the balance first reached $0. without doing any calculations, how could you show jade why that cannot be true?

Solve 2x2 + 8 = 0 by graphing the related function. there are two solutions: . there are no real number solutions. there are two solutions: 2 and -2

Apool measures 12.3 feet by 16.6 feet. if the longer wall of the pool has a diagonal of 17.8 feet, what is the volume of the pool? (round to nearest tenth)

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