Prehistoric cave paintings were discovered in a cave in France. The painting contained 40% of the original carbon-14. The half-life of carbon-14 is 5730 years. Estimate the age of the paintings

table 3 represents a direct variation function. : )

a)(x-2)^2+(y-1)^2=9

step-by-step explanation:

(picture explains)

for this case we must apply distributive property to the following expression:

the distributive property states that:

then, when applying the property we have to multiply the -2 for each term within the parenthesis: