Compute the least-squares regression line for predicting from given the following summary statistics. round the slope and -intercept to at least four decimal places.
x =8.8 sx =2.3 y=30.2
sy=16
r=0.60

Describe the symmetry of the figure. identify lines of symmetry, if any. find the angle and the order of any rotational symmetry.

The students in a class were asked how many siblings they have. the data obtained is represented in the dot plot. the number of students who have no siblings is . the number of students who have three or more siblings is .

Lucy spent $165 in december using a new credit card. in january, she began paying between $15 and $25 each month towards her account balance.