Use the given circumference to find the surface area of the spherical object c= "18cm"

(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

Name each raycalculation tip: in ray "ab", a is the endpoint of the ray.

What is the axis of symmetry of the function f(x)=-(x+ 9)(x-21)