Dirt can be purchased by the cubic yard. How much would it cost to fill a hole 10 feet by 12 feet by 8 inches if dirt costs $8.00 per cubic yard? Help me man, my brain's empty

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.

Gretchen is setting up for a banquet. she has 300 chairs and needs to distribute them evenly among t tables. how many chairs should she put at each table? write your answer as an expression.

Three times the sum of a number and seven is negative thirty-six. what is the number?