9.) If a dozen balloons cost 30 cents, how many balloons can you get for 1 dollar? A. 40 balloons
C. 36 balloons
B. 44 balloons
D. 50 balloons

(a) (8%) compute the probability of an even integer among the 100 integers 1! , 2! , 3! , until 100! (here n! is n factorial or n*(n-1)*(n-2) *… 1) (b) (16%) compute the probability of an even integer among the 100 integers: 1, 1+2, 1+2+3, 1+2+3+4, …., 1+2+3+… + 99, and 1+2+3+… + 100

What is the measure of the smallest angle in the diagram? 15 29 32 45

Which best explains why this triangle is or is not a right triangle ?