Ill give you brainiest 1. elena wants to paint her jewelry box blue. the jewelry box is in the shape of a cube and has a edge length of 4in how much blue paint will elena need? 2. rey builds a pool in his backyard. the pool measures 55 feet long,28 feet wide and 9 feet deep. how much water will fit in the pool? 3. how many square feet of cardboard does jess need to make a rectangular prism with length of 16 inches width of 9 inches and height of 4 inches? i mostly need to know what to put as the answer like the ending such as the pool one

the figures below are made out of circles, semicircles, quarter … 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). remember that we'll also have to cut whatever areas we get in half, since we're only dealing im pretty sure that is the right answer

step-by-step explanation:

or

step-by-step explanation:

we need to solve for 'x' the following equation:  

we have that:

⇒

⇒ ⇒

factorizing, we get that:

  ⇒

then, the solutions are: or

nothing extraneous has been found!