Solve the expression when x=52/3 (5x-4)

Could somebody me with this radical simplification?

Rachel is studying the population of a particular bird species in a national park. she observes every 10th bird of that species that she can find in the park. her conclusion is that the birds living in the park who belong to that species generally feed on insects. rachel's sample is . based on the sample she picked, rachel's generalization is . reset next

What is the length of the midsegment of a trapezoid with bases of length 15 and 25 ?