-7(n+3)-8(1+8n)
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Girardo is using the model below to solve the equation . girardo uses the following steps: step 1 add 4 negative x-tiles to both sides step 2 add 1 negative unit tile to both sides step 3 the solution is which step could be adjusted so that gerardo's final step results in a positive x-value? in step 1, he should have added 4 positive x-tiles to both sides. in step 1, he should have added 3 negative x-tiles to both sides. in step 2, he should have added 4 negative unit tiles to both sides. in step 2, he should have added 1 positive unit tile to both sides.

If the tip varies directly with the number of guest which equation represents between the tip,t, and the number of guest,g?

The equation of a parabola is given. y=18x2+4x+20 what are the coordinates of the focus of the parabola?