Simplify (3x − 5) − (5x + 1). −2x + 6 −2x − 6 2x − 6 2x + 6

(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

You give a $4 tip for a meal that cost $22. approximately what percent of the bill was your tip?

Im literally having a mental breakdown