How do i find the answer of 4x^2÷2x^1/2

Which is a reasonable estimate of the amount of water in a small, inflatable pool used by children?

Powerful women's group has claimed that men and women differ in attitudes about sexual discrimination. a group of 50 men (group 1) and 40 women (group 2) were asked if they thought sexual discrimination is a problem in the united states. of those sampled, 11 of the men and 19 of the women did believe that sexual discrimination is a problem. if the p-value turns out to be 0.035 (which is not the real value in this data set), then at = 0.05, you should fail to reject h0. at = 0.04, you should reject h0. at = 0.03, you should reject h0. none of these would be a correct statement.

Borat elise said that the expression 2.6 x -1.3 x-4.5 is equivalent to 1.3x -4.5