You have to order fencing for a 25-acre rectangular field one side of the field measures exactly 1/4 mile how many yards of fencing will you need to enclose the field completely

(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

An equation of the line tangent to y=x^3+3x^2+2 at its point of inflection is

Ireally don't understand this, i'm really an idiot but i want to know how to figure this out. !