Alicia and her friends got out for burgers and and sodas. she is feeling very generous and wants to pay for everyone. the register rings up the meals and coupons below.

alicia $3.83 diego $7.95 carmen $4.32 zac $6.54 the twins $14.89 coupon $7.50

the register gives the total cost as 38.55. estimate the total amount of the bill, by rounding to the nearest dollar, use your answer to determine if the total is reasonable

Which statement holds true for absolute value functions? •the absolute value determines the direction in which theb.the coefficient determines the line along which the graph,the distance between the left and the right arm is based od.the vertex coordinates and the absolute value determine 111

Yvaries inversely as x. y =12 when x=5. find y when x=4

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