Andrei has a glass tank that he would like to fill with marbles and water. W(m) models the amount of water Andrei needs (in liters) if he uses m marbles.
т
10
32
68
W(m) 36.5
28.8
16.2
When does the necessary amount of water decrease faster?

At a point on the ground 50 meters from the foot of a tree, the angle of elevation to the tree is 48°. find the height of the tree to the nearest meter.

What is the solution to the system of equations? (–2, –8) (–1, –5) (0, –2) (2, 4)

A, b, c, and d have the coordinates (-8, 1), (-2, 4), (-3, -1), and (-6, 5), respectively. which sentence about the points is true? a. a, b, c, and d lie on the same line. b. and are perpendicular lines. c. and are parallel lines. d. and are intersecting lines but are not perpendicular. e. and are parallel lines.