Kerri said that the quotient of 4.2 divided by 5 is about 8 tenths. she reasoned that 4.2÷5 is close to 40 tenths divided by five do you agree with kerri reasoning

Asimple random sample of size nequals14 is drawn from a population that is normally distributed. the sample mean is found to be x overbar equals 70 and the sample standard deviation is found to be sequals13. construct a 90% confidence interval about the population mean

Factor the following expression. 27y3 – 343 a. (3y + 7)(9y2 + 2ly + 49) b. (3y – 7)(9y2 + 2ly + 49) c. (3y – 7)(932 – 217 + 49) d. (3y + 7)(92 – 2ly + 49)

Which of the following is an example of a rational number? a. π b. √ 9 c. √ 8 d. 3.8362319