Write F_1 −F_2 + F_3 −F_4 +···+ F_2n−1 −F_2n in summation notation. Then show that F_1 −F_2 + F_3 −F_4 +···+ F_2n−1 −F_2n = 1−F_2n−1.

Antonia and carla have an equivalant percentage of green marbles in their bags of marbles. antonia has 4 green marbles and 16 total matbles. if carla has 10 green marbles , how many total marbles does carla have

What is the answer to this question? i'm a bit stumped. also how do i do it? 5(x - 4) = 2(x + 5)

What is the ratio for the surface areas of the cones shown below, given that they are similar and that the ratio of their radii and altitudes is 2: 1? submit