Answer:
24.56 (parallelogram)
Step-by-step explanation:
4 sides of ABCD: AB, BC, AD, DC
perimeter = AB + BC + AD + DC
distance of two points: √(x-x')²+(y-y')²
AB = √3²+4² = √25 = 5
BC = √7²+2² = √53 = 7.28
AD = √7²+2² = √53 = 7.28
DC = √3²+4² = √25 = 5
P = 5*2 + 7.28*2 = 24.56
Answer:

Step-by-step explanation:


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<h3>Hope it is helpful....</h3>
Answer:
Universal set is a set which contains all values
Union of Sets : The joining of two or more sets .
Step-by-step explanation:
Answer:
subtract 8x from both sides
Step-by-step explanation:
this is the first step
Erin took two test. First test saying that she has 70% risk of heart attack(which means 30% chance of not have). The second test saying she has 67% chance of not have a heart attack.
Then, the probability of Erin will not have attack would be: 30%*67%= 20.1% = 0.201