You need to strengthen a 28% alcohol solution with a pure alcohol solution to obtain a 70% solution. How much pure alcohol should you add to 100 milliliters of the 28% solution?

Answer the questions in the attachment. a rescue helicopter is at point a and a rescue boat is at point e. the helicopter pilot spots boats in distress at points d and c, with angles as marked in the diagram. figure abce is a rectangle. the altitude of the rescue helicopter, represented by ae, is 5000 feet.

What happens to the area as the sliders are adjusted? what do you think the formula for the area of a triangle is divided by 2?

The distance between two points is 6.5cm and scale of map is 1: 1000 what's the distance between the two points