What is the total cost of a $12 t-shirt if the sales tax is 6.5%?

(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

If i have 20$ and i gave 5$ away how much i got

1. find the area of the unshaded square 2. find the area of the large square 3. what is the area of the frame represented by the shaded region show