) Describe two quick ways to find approximately 33% of 59 books. b) Describe two quick ways to find approximately 25% of $98.50.

c) Describe two quick ways to find approximately 2% of 150 people.
2. How would one perform the EXACT calculations in #1? Describe the process IN WORDS1

3. Quick fractions to percentages:
a) 5 out of 25 is 20 %
b) 20 out of 80 is 25 %
c) 3 out of 298 is 1.01 %
d) 1 out of 1000 is 0.1 %

There are 20 children in the cast of a class play and 8 of the children are boys of the boys 4 have a speaking part in the play and of the girls 8 do not have a speaking part in the play if a child from the cast of the place chosen at random what is the probability that the child has a speaking part

Find the cosine function that is represented in the graph.

In the following diagram it is given that dec,ab || dc, ad || eb, and ad is congruent to bc. a)why isn't abc a parallelogram even though it has a pair of parallel sides and a pair of congruent sides b)explain why be must be congruent to bc. further explain what type of triangle this makes triangle abc and what it tells you about angle 1 and angle 2c) finally why must angle 3 be congruent to angle 1? further, explain why we know that angle 3 is congruent to angle 2