Leonard mowed his section of the lawn in the same time it took Nigel to mow his section. For every square yard of the lawn that Leonard mowed, how many square yards of the lawn was Nigel able to mow?

Which expression is equivalent to (3^2)^-2 a.-81 b.-12 c.1/81 d.1/12

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.

What power can you write to represent the volume of the cube shown? write the power as an expression with a base and an exponent and then find the volume of the cube