Given n Points in space, no three of which are collinar and no four coplanar, for what value of n will the number of n will the number of straight lines
be equal to the number of planes obtained by connecting the
points​

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.

Aline that intersects one of two parallel lines intersects the other also always sometimes never

Graph y = -|x| + 2. click on the graph until the correct one appears.