Use the system of equations below to solve for z. 6w-4z+2y+8x=52 2y-4w-6x-2z=-28 6z+2x-4w+4y=36 4x+4y-2w-2z=20

Carlo is wondering what causes plants to grow at different rates. carlo’s hypothesis is “plants will grow more when the day is longer.” what would be the difference between the test group and the control group in this experiment? type of soil type of plants exposure to sunlight method for measuring the growth

Explain how earth is like a giant bar magnet. how is our magnetic field made?

In her article "why should i vote? " stephanie goggin crafts a well-organized and coherent argument. she states that every person of voting age who is registered should vote. she also argues that if you are not registered to vote, you should be. in conclusion, goggin's argument is laid out in a thoughtful and thorough way that is convincing to readers. which element is missing from this evaluation?