Jjlin needs 0.8 grams of carbon for an experiment. she needs 4.15 times as much water. jin says that she needs less than 4.15 grams of water. is jin correct ? explain your reasoning. how much water does jin need for the experiment ? show your work.

Which statement accurately describes how to perform a 90° clockwise rotation of point a (1,4) around the origin?

1. ∠1 is complementary to ∠2 and ∠3 is complementary to ∠2. subtraction property of equality 2. m∠1 + m∠2 = 90 and m∠3 + m∠2 = 90 substitution 3. m∠1 + m∠2 = m∠3 + m∠2 definition of complementary 4. m∠1 = m∠3 given

Scenario: a rectangular plot of ground is 5 meters longer than it is wide. its area is 20,000 square meters. question: what equation will you find the dimensions? note: let w represent the width. options: w(w+5)=20,000 w^2=20,000+5 (w(w+5))/2=20,000 w+2(w+5)=20,000