A flagpole casts a shadow that is 16 feet long. The distance from the top of the flagpole to angle A is 20 feet long. To the nearest tenth of the degree,
what is the mZA?
20 ft.
16 ft.

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.

Icould really use some with this question.

Suppose that a households monthly water bill (in dollars) is a linear function of the amount of water the household uses (in hundreds of cubic feet, hcf). when graphed, the function gives a line with slope of 1.65. if the monthly cost for 13 hcf is $46.10 what is the monthly cost for 19 hcf?