When class 11Y1 found that their favorite teacher, Mr. Musson, was leaving they decided to organize a party for him. Lewis, one of the class members, wants to buy 34 cartons of juice.
He can buy a single carton of juice for 45p.
He can buy a pack of 4 cartons for £1.51.
Lewis buys all the cartons he needs for the least possible amount of money.
How much did he spend?

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.

In trapezoid abcd, ac is a diagonal and ∠abc≅∠acd. find ac if the lengths of the bases bc and ad are 12m and 27m respectively.

Aplane intersects a pris paralel to the base of the prism. the cross section is a polygon wth eight sides. how many sides does the base of the prism have? a. 10 b. 8 c. 7 d. 9