Basic Trigonometry A person noted that the angle
of elevation to the top of a tree
was 65° at a distance of 11
feet from the tree. Using the
diagram approximate the
height of the tree.

Prove that the value of the expression 7^8–7^7+7^6 is divisible by 43.

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?

Glenda makes an online purchase for picture frames for $12.95 each and formats of $5.89 each the site says it taxes paid by the customer or 6.5% of the total purchase price shipping charges are based on the