Identify the percent, amount, and base in this problems
25% of what number is 40

The point a is at –2 and the point b is at 7. marissa would like to divide this line segment in a 4: 3 ratio, and she would like to use the formula x = (x2 – x1) + x1. what values should she substitute into the formula? a = a + b = x1 = x2 =

Perry observes the opposite parallel walls of a room in how many lines do the plains containing the walls intersect

At noon a tank contained 10cm water. after several hours it contained 7cm of water. what is the percent decrease of water in the tank?