Triangle T was dilated to form triangle T prime. Triangle T has side lengths of 36 and 18. Triangle T prime has side lengths of 20 and 20. Which ratio is the correct scale factor? (Figures not drawn to scale.) StartFraction 5 Over 18 EndFraction One-half StartFraction 5 Over 9 EndFraction StartFraction 9 Over 10 EndFraction

How many different ways can you make change for $.50 using only nickels, dimes, and quarters?

1. evaluate 8x(2)y9(-2) for x=-1 and y=2 2. simplify the equation. -() 3. simplify the expression. [tex]\frac{5}{x(-2) y9(5)}[/tex]

Aclassroom is made up of 11 boys and 14 girls. the teacher has four main classroom responsibilities that she wants to hand out to four different students (one for each of the four students). if the teacher chooses 4 of the students at random, then what is the probability that the four students chosen to complete the responsibilities will be all boys?