in a group of 630 people 333 like iPad found a state like table in each person like at least one of the two items how many people like both iPad and tables

Successful implementation of a new system is based on three independent modules. module 1 works properly with probability 0.96. for modules 2 and 3, these probabilities equal 0.95 and 0.90. compute the probability that at least one of these three modules fails to work properly.

Find the greatest common factor of the followig monomials 21u^5v,3u^4v^6, and 3u^2v^5

Arestaurant chef made 1 1/2 jars of pasta sauce. each serving of pasta requires 1/2 of a jar of sauce. how many servings of pasta will the chef be able to prepare using the sauce?