If 9% of the bar’s weight is iron how much dose the iron weigh?

bar = 7.5 ounces

Out of 50 students surveyed, 16 have a dog. based on these results, predict how many of the 280 students in the school have a dog.

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.

The volume of a box varies directly with its length if a box in the group has a length of 30inches and k=24 what is its volume