The weight w of an object varies inversely as the square of the distance d from the center of the earth. at sea level (3978 mi from the center of the earth), an astronaut weighs 129129 lb. find her weight when she is 144144 mi above the surface of the earth and the spacecraft is not in motion.

How to find the exponential function y=ca^x, with points (1,2) and (2,1)

Which expression is equivalent to 16 in exponential form? a) 4 × 4 b) 8 × 2 c) 23 d) 24

This is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 5 terms.