Sophie Ruth is eating a 50-gram chocolate bar which contains 30 percent cocoa. How many grams of cocoa are in the chocolate bar?
grams

In the given triangle, ∠aed ∼ ∠ abc, ad = 6.9, ae = 7.2, de = 5.2, and bc = 10.2. find the measure of bd and ce. round your answer to the nearest tenth.

What is the name of a polygon that has four congruent sides and theses angle measures 60,120,60,120?

Which graph of a hyperbola represents the equation 16x^2-y^2=16