Jenny is making a toilet cleaner from vinegar and water in the ratio of 1 : 5. She starts by mixing 4.5 cups of water with 7 cups of vinegar. How many more cups of water does she need?

She need need 0.5 more cups of water.

Step-by-step explanation:

If you do 5 - 4.5 it will equal 0.5.

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

step-by-step explanation:

80x^8−68x^6+16^5−20x^4−4x^3+8x^2

hope i'm right lol