If the total area of the shapes is 39 square units, what is the length of the distance marked X? (Figures are not shown to scale.)

Which is the graph of the function y=2(4)^x

(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

Name the most appropriate metric unit for each measurement