If Chris paid $450 for a television that was 75% of the original price, what was the original price?

What is the equation of the line shown in this graph?

How many days was the temperature above 90 degrees?

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.