The perimeter of a rectangle is equal to the sum of its sides. if the length of a a rectangle is twice its width and the perimeter of the rectangle is 186 feet, what is the width of the rectangle?

What are the domain and range of the functiony = 2(x - 3)2 + 4?

Given the following sampling distribution of one mean with a sample size 49, from a normally distributed population,find the population standard deviation, o.79828588912497

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