Level b
pick any 2‐digit number where not all the digits are equal. order the digits
from highest to lowest to create the largest number. next order the digits
from lowest to highest to create the smallest number. find the positive
difference between the two numbers. investigate different solutions you find.
are there patterns? if so, what patterns did you find?

What is the relationship between all triangles that can be drawn given the same three angles

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?

Let hh represent the number of hummingbirds and ss represent the number of sunbirds that must pollinate the colony so it can survive until next year. 6h+4s > 746h+4s> 74 this year, 88 hummingbirds pollinated the colony. what is the least number of sunbirds that must pollinate the colony to ensure that it will survive until next year?