I. you gain 12 pounds. ii. a balloon descends 12 feet. iii. a metal spring gets 12 inches shorter. the integer -12 would best represent which of these events? a) i only b) iii only c) i and ii only d) ii and iii only

The figures below are made out of circles, semicircles, quarter circles, and a square. find the area and the perimeter of each figure and give your answers as a completely simplified exact value in terms of π (no approximations).

Solve for n? [tex]z = \frac{3}{4} mn[/tex]

40) linda was making chocolate truffles for the first day of school. the recipe for 20 chocolate truffles is: i cup of cream 2 cups of dark chocolate she noticed this will not be enough truffles for the 42 sure that all students in each homeroom next year. to be sure that all students receive a truffle, linda must adjust her recipe. a. complete the recipe for 42 truffles cups of cream - cups of dark chocolate work: