If two lines intersect, then they intersect in exactly one point.
. , i need proof for this. paragraph form.

When steve woke up. his temperature was 102 degrees f. two hours later it was 3 degrees lower. what was his temperature then?

Find the vertex for the parabola given by the function ƒ(x) = −3x2 − 6x.

6. sarah saved $12.75 every week for a number of weeks, w. she received an additional $25 during the last week in which she saved money. write and solve an equation to find the number of weeks, w, for which sarah had saved money if she has $114.25 now.