A building is 2 ft from a 12 ft fence that surrounds the property. A worker wants to wash a window in the building 16 ft from the ground. He plans to place a ladder over the fence so it rests against the building. He decides he should place the ladder 12 ft from the fence for stability. To the nearest tenth of a foot, how long a ladder will he need?

Two parallel lines are crossed by a transversal. what is the value of x? x = 40 x = 70 x = 110 x = 130

Write and solve a real word problem that involves determining distance on a coordinate plane

Recall that the owner of a local health food store recently started a new ad campaign to attract more business and wants to know if average daily sales have increased. historically average daily sales were approximately $2,700. the upper bound of the 95% range of likely sample means for this one-sided test is approximately $2,843.44. if the owner took a random sample of forty-five days and found that daily average sales were now $2,984, what can she conclude at the 95% confidence level?