How much money does a 40% off of $2.95 dollars save?

What is the slope simplify your answer and write it as a proper fraction, improper fraction, or integer

(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

Find the slope and the y-intercept if there's one and the equation of the line given these two points( 3, 2) and( 3, -4)