The ratio of windows to floors in an office is 18: 2. there are 126 widows in the buliding. how many floors does the office buliding contain?

(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

How do businesses a country's economy? a. by investing in goods and services b. by increasing the unemployment rate c. by making profits

Polygon abcde is reflected to produce polygon a′b′c′d′e′. what is the equation for the line of reflection?