Oxygen makes up 3/4 of a corn plant, and hydrogen makes up 1/10 of it. How much of the corn plant is oxygen and hydrogen?

Do more republicans (group a) than democrats (group b) favor a bill to make it easier for someone to own a firearm? two hundred republicans and two hundred democrats were asked if they favored a bill that made it easier for someone to own a firearm. how would we write the alternative hypothesis?

Complete the solution of the equation. find the value of y when x equals to 28 x+3y=28

Elena is paid a constant rate for each hour she works. the table shows the amounts of money that elena earned for various amounts of time that she worked.