Mr. Roosevelt is leaning a ladder against the side of his son's tree house to repair the roof. The top of the ladder

reaches the roof, which is 18 feet from the ground. The

base of the ladder is 5 feet away from the tree. How long

is the ladder?

Determine the difference: 3.2 × 1010 – 1.1 × 1010. write your answer in scientific notation.

If benito is selecting samples of five values from the table, which row will result in the greatest mean? population data row 1 4 2 2 3 3 row 2 3 3 4 3 2 row 3 2 4 3 4 3 row 4 3 4 4 7 3 row 1 row 2 r

Barney & noblet customers can choose to purchase a membership for $25 per year members receive 10% off all store purchases 1. how much would a member pay per year if he bought $50 worth of items each year? 2. write a slope-intercept equation that expresses how much a member pays per year using x to represent his purchases per year 3. how much would a member have to spend per year to pay off his membership fee?