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When y=4x-6 find y if x=o

There are 20 children in the cast of a class play and 8 of the children are boys of the boys 4 have a speaking part in the play and of the girls 8 do not have a speaking part in the play if a child from the cast of the place chosen at random what is the probability that the child has a speaking part

The water has been on the stove y=9.5x+62.1 after how many minutes will the tempature be 138.1 f

In the xy-plane, if the parabola with equation passes through the point (-1, -1), which of the following must be true?