Determine if a question is asking for the positive zero ( root ) coordinate, the vertex x coordinate or the vertex y coordinate. 1. How long until the ball is at its highest point?

2. How long is the ball in the air?

3. When will the ball hit the ground?

4. How high did the ball get?

5. When will the ball be at its highest point?

6. How high is the ball at its highest point?

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the law of definite proportions states samples of a compound will always contain the same proportion of elements by mass. in other words, a given compound will always contain the same elements in the same proportions by mass.the law of multiple proportions states when two elements combine with each other to form more than one compound, then the weights of one element that combine with a fixed weight of the other are in a ratio of small whole numbers.

Letter a i would say