There is a sales tax of $5 on an item that costs $63 before tax. a second item costs $50.40 before tax. what is the sales tax on the second item?

(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

Use the function f(x) is graphed below. the graph of the function to find, f(6). -2 -1 1 2

Which inequality comparing two of the expressions is true when 0.7 < x < 0.9