is a closed figure having 3 or more than 3 sides

What is the celsius temperature that is equal to 94 degrees fahrenheit using the formula f=9/5 c+32

In the following diagram it is given that dec,ab || dc, ad || eb, and ad is congruent to bc. a)why isn't abc a parallelogram even though it has a pair of parallel sides and a pair of congruent sides b)explain why be must be congruent to bc. further explain what type of triangle this makes triangle abc and what it tells you about angle 1 and angle 2c) finally why must angle 3 be congruent to angle 1? further, explain why we know that angle 3 is congruent to angle 2

Which number line correctly shows 0.8 + 0.3?