Abus driver filled up 7/8 of her fuel tank for a trip. she used 6/7 of the fuel by the end of the trip. the capacity of her tank is 70gallons. how much fuek did she use for the trip?

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.

Which of the following pair(s) of circles have las a common external tangent? select all that apply. a and b a and c b and c

The architect's side view drawing of a saltbox-style house shows a post that supports the roof ridge. the support post is 8 ft tall. the distance from the front of the house to the support post is less than the distance from the post to the back of the house. how far from the front of the house is the support post positioned?