Airplane is flying at an elevation of 5950 feet, directly above a straight highway. Two motorist are driving cars on the highway on opposite sides of the plane, and the angle of depression to one car is 39 degree and to the other is 26 degree. How far apart are the cars?

If f(x)= sqrt4x+9+2, which inequality can be used to find the domain of f(x)?

2.5 milligrams is equivalent to how many grams

Ariana starts with 100 milligrams of a radioactive substance. the amount of the substance decreases by 20% each week for a number of weeks, w. the expression 100(1−0.2)w finds the amount of radioactive substance remaining after w weeks. which statement about this expression is true? a) it is the difference between the initial amount and the percent decrease. b) it is the difference between the initial amount and the decay factor after w weeks. c) it is the initial amount raised to the decay factor after w weeks. d) it is the product of the initial amount and the decay factor after w weeks.