Lleva (2) Two unknown radio-isotopes X and Y contained in a metallic sample are
initially present in the ratio of 1:4. The half life of X is 80 years and that of
Y is 80 years. Find the time after which the amounts of X and Y become
equal.

The larger the investment you make, the easier it will be to: get money from other sources. guarantee cash flow. buy insurance. streamline your products.

In our daily interactions we can find ourselves listening to other people solely for the purpose of finding weakness in their positions so that we can formulate a convincing response. select one: true false

Cadillac's portfolio consists of sedans, a crossover, a sport utility vehicle, and a high-performance version of the sedan. the sedans are sold through the cadillac dealer network, but the high-performance version is sold in limited volumes and is not available at all dealers. this difference in availability is an example of how the products within the cadillac portfolio are differentiated by the