Ms. Terry wants to hang Christmas lights around Mr. Conner’s desk next year. His desk is 6.5 feet long and 4.3 feet wide. What is the shortest length of Christmas lights Ms. Terry should buy?

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

How to find the exponential function y=ca^x, with points (1,2) and (2,1)

How many kilograms of a 5% salt solution and how many kilograms of a 15% salt solution must be mixed together to make 45kg of an 8% salt solution?