two candidates ran for class president. the candidate that won received 80% of the 270 total votes. how many votes did the
winning candidate receive?

2-digit numbers less than 91 which are 1 less than a multiple of 10

What are the domain and range of the function? f(x) = -4 (sqrt)x

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.