Michael has a barrel in the pasture to keep water for his horse. the barrel is 4 feet tall with a diameter of 2 feet. what is the volume of the barrel. how many gallons will the barrel hold?

(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

What number should be added to both sides of the equation to complete this square? x^2-10x=7

Find the distance between (7,-6) and (-3,-9)