Determine the sum of the first 10 terms of each geometric series.
a) 4 + 12 + 36 + ...

(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

Which statement justifies why angle ebc measures 90?

Need same math paper but the back now i hope your able to read it cleary i need with hw