Element X is a radioactive isotope such that every 14 years, its mass decreases by
half. Given that the initial mass of a
sample of Element X is 80 grams, how
much of the element would remain after
18 years, to the nearest whole number?

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)

Klmn and pqrs are similar trapezoids. which side of pqrs corresponds to lm

Write as a product of two polynomials. 2(3–b)+5(b–3)^2