Which function in vertex form is equivalent to f(x) = x2 x 1?

Suppose a random sample of 84 men has a mean foot length of 26.9 cm with a standard deviation of 2.1 cm. what is an 95% confidence interval for this data? question 3 options: question 24 options: 28.58 to 25.22 21.52 to 32.28 24.8 to 29 24.21 to 29.59

How often do neap tides occur? a. about once a month b. about twice a month c. about once a year d. about twice a year

How many liters of 60% alcohol solution should be added to 40 liters of a 20% alcohol solution to make a 50% solution?