The circumference of a circle is 53.38 centimeters. what is the area in square centimeters. use 3.14 for ×

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.

For what values of the variable x is the expression square root of 7x+14+ square root of 7-x a real number?

If the sales price of a dvd is $20 and the markup is 34%, what is the cost of the dvd?