An artifact was found to have an original amount of Carbon-14 of 12 grams. Approximately how many grams of Carbon-14 remain after 5000 years? Carbon 14 decays at a rate of -0.00012 grams per year.

As soon as look at the parallelogram abcd shown below: the table below shows the steps to prove that if the quadrilateral abcd is a parallelogram, then its opposite sides are congruent: which choice completes the missing information for reason 5 in the chart? (6 points) congruent parallelograms congruent triangles similar angles similar triangles

Two streets intersect at a 30- degree angle. at the intersection, the are four crosswalks formed that are the same length. what type of quadrilateral is formed by the crosswalks?

Ade and abc are similar. which best explains why the slope of the line between points a and d is the same as the slope between points a and b?