Which polynomial represents the sum below? 6x? + 4x4 - x +7
4x + 8x + 7\
A. 4x9 - 6x7 + 4x4 - 7x + 14
B. 4x9 + 6x + 4x4 + 7x+ 14
C. 10x16 + 12x5 + 7x+ 14
O D. 10x16 + 12x4 + 9x+14

After reading 80% of her e-mails in her inbox, danette still has m unread e-mails. which of the following expressions could represent the number of e-mails danette had in her inbox before she started reading? choose 2 answers: (choice a) 5m (choice b) 1.8m (choice c) 80m (choice d) m/0.8 (choice e) m/1−0.8

1. why is a frequency distribution useful? it allows researchers to see the "shape" of the data. it tells researchers how often the mean occurs in a set of data. it can visually identify the mean. it ignores outliers. 2. the is defined by its mean and standard deviation alone. normal distribution frequency distribution median distribution marginal distribution 3. approximately % of the data in a given sample falls within three standard deviations of the mean if it is normally distributed. 95 68 34 99 4. a data set is said to be if the mean of the data is greater than the median of the data. normally distributed frequency distributed right-skewed left-skewed

The slope of the line whose equation is 3y = 2x - 3 is 2 2/3 3/2