I had eight guests for my birthday and I ordered a circular cake. Each of the guests had a triangular portion with a surface of 19.24 cm2. Supposing that the cake is almost flat,
could you give me the approximate value of its radius?

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.

Marlow is comparing the prices of two trucks rental compaines company a charges $3 per hour and an addtional $75 as serivce charges company b charges $2 per hour and an additional $85 as serivce charges

How many grams the dog will eat in 3 days?