Rachel purchased different carpets that had the same ratio of the length to the width. the table below shows the length and width of some carpets rachel bought: length (feet) width (feet) 4 3 8 6 12 9 16 12 ? 15 the missing value in the table is feet.

1. there are 25 students who started computer programming in elementary school and 25 students who started computer programming in middle school. the first group had a mean final project grade of 95% and the second group had a mean final project grade of 92%. the line plot shows the differences after 10 rerandomizations. determine whether the difference in the means of the two groups is significant based on the line plot. explain your answer.

Ke’ajah has a coupon for 1/3 off the regular price, t, of a tent. which expression represents the price of the tent using the coupon? select the two correct expressions. a. 1/3t b. 2/3t c. t - 1/3 d. t - 2/3 e. t - 1/3t f. t - 2/3t

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