7. your friend is standing on top of a building, which is 130 ft. above the ground, looking down at a tree that is 40 ft. away from the base of the building.
what is the angle of depression from the person to the base of the tree? round to the nearest degree. show all work.

Acamper leaves camp on a kayak and travels 50 miles east on a river, then he ties his kayak to the bank and travels 20 miles north on a bicycle. this trip can be plotted on the coordinate plane, where the camp is the point (0, 0). the distant of the camper to the camp can be found using the distance formula. which other formula can he use? a) 502 - 202 b) 502 + 202 c) 502 - 202 d) 502 + 202

Fredrick designed an experiment in which he spun a spinner 20 times and recorded the results of each spin

Write the expression in complete factored form. 5n_(c - 3) - n(c - 3) =