What is the perimeter of triangle with side lengths of 29, 15, and 4xy?

Which expression is equivalent to7_/x^2 ÷ 5_/y^3? assume y# 0

25 ! the line of best fit is h = 5a + 86. predict the height at age 16. show your work.

Lance lived in portugal and brazil for a total of 14 months to learn portuguese. he learned an average of 130 new words per month when he lived in portugal, and an average of 150 new words per month when he lived in brazil. in total he learned 1920 new words. write a system of equations to represent the situation. use x to represent portugal, and y to represent brazil