So first (3 1/2) equals to 3+1/2 which is 7/2, same for(2 1/3), 2+1/3=7/3. It's asking for speed in laps per minute, so like how many labs did she swim per minute, which is labs over time——(7/2)/(7/3)=(7/2)*(3/7)=3/2. So she swam 3/2 labs per minute.
Answer:


Step-by-step explanation:
we know that
In a parallelogram, opposite sides are parallel and congruent
In this problem we have a parallelogram
so


substitute the given values




<em>Find the length of side AB</em>

substitute the value of x

<em>Find the length of side CB</em>

substitute the value of x

therefore


Answer:
b
Step-by-step explanation:
trust me ON this one OK
Equilateral is all angles are equal and isosceles has two equal sides