In class, we discovered that there are two ways to have 30 cents using six coins, either six nickels or one quarter and five pennies. For each of the combinations of coins given, find the minimum n such that n(middle value

F(n + 1) = f(n) – 8. if f(1) = 100, what is f(6)?

Kayla wants to find the width, ab, of a river. she walks along the edge of the river 65 ft and marks point c. then she walks 25 ft further and marks point d. she turns 90° and walks until her location, point a, and point c are collinear. she marks point e at this location, as shown. (a) can kayla conclude that δ and δ are similar? why or why not? (b) suppose de = 15 ft. what can kayla conclude about the width of the river?

Klmn and pqrs are similar trapezoids. which side of pqrs corresponds to lm