Answer:

Step-by-step explanation:

You have to prime factorise 81 and then you will get <u>9</u> as the answer.
Answer:
2 students from each of the 15 classes
Step-by-step explanation:
Just took the test on Edge
A rhombus is quadrilateral where all 4 sides are of equal length. Thus
5x + 2 = 2x + 12
3x = 10
x = 10/3
substituting x into either expression, yields
56/3
therefore side AB = 56/3
Answer:
$143.2
Step-by-step explanation:
20% of 179 is 35.8
so 179-35.8 = 143.2