Expand the expression.
8​(x-5​)

8(x-5)=_x - _(5) = ?

Two planes leave an airport at the same time, one flying east, the other flying west. the eastbound plane travels 20 mph slower. they are 1600 mi apart after 2 hr. find the speed of each plane.

The tile along the edge of a triangular community pool needs to be replaced? ?

Aadc is formed by reflecting aabc across line segment ac, as shown in the figure. if the length of ac is 4 units, the area of aadc is square units.