The half-life of carbon-14 is approximately 5730 years. a) If we have 50 g carbon-14 today, how much is left in 50 years? (3 points)
b) If an artifact that originally contained 90 g of carbon-14 now contains 7 g of carbon-14,
how old is it?

In two or more complete sentences, formulate how to use technology to calculate the appropriate regression model for the given data. you are not required to find the model, just choose the appropriate regression and explain how to use the technology. (-5,,2.,0.8), (0,-0.5), (2,-1.3), (3,-0.8), (5,2)

What set does not contain -3 the set of all real numbers the set of all integers the set of all whole numbers the set of all rational numbers

X+ y = 5 ; x - y =3 solve using linear combination