Multiply 2.4 x 108 by 5.2 x 103.

Determine the number of girls in a math class with 87 boys if there are 25 girls for every 75 boys

Find the domain and range of the following function f(x) = 51x - 21+ 4

72 the length of a side of a triangle is 36. a line parallel to that side divides the triangle into two parts of equal area. find the length of the segment determined by the points of intersection between the line and the other two sides of the triangle.