Domain for f(x) = -0.25(x − 4) 2 − 6

Select all the correct answers. what is 221,000,000,000,000,000,000 expressed in scientific notation?

The annual snowfall in a town has a mean of 38 inches and a standard deviation of 10 inches. last year there were 63 inches of snow. find the number of standard deviations from the mean that is, rounded to two decimal places. 0.44 standard deviations below the mean 2.50 standard deviations below the mean 0.44 standard deviations above the mean 2.50 standard deviations above the mean

What is the missing reason in the proof? segment addition congruent segments theorem transitive property of equality subtraction property of equality?