Albert is looking up at a tree. he is 25 feet from the vase of tree. the line of sight to the top of the tree is 27 feet. the tree is approximately ___ feet tall.

7
10
24
25
52

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