1.
the closest perfect squares of 12 are 9 and 16,
that is 9<12<16
so


this means,

is 3 point something...
2.
similarly
36<40<49
so


which means

is 6 point something...
3.
<span>the sum of the integers between the square root of 12 and 40 is the sum of 4, 5 and 6, since 4 is the smallest integer after root 12, and 6 the greatest integer to before root of 40.
Answer: 15</span>
It will take 36 days for 20 men to complete the building
I don’t understand this but:
The mean is the average of all the numbers combined
the median is the number centered directly in the middle with the same number of numbers on both sides of the number in the middle
The mode is how many times a number appears
Answer:
192
Step-by-step explanation:
Math!
Combined speed = 95+75= 170 mph
they will meet in 306/170 = 1.8 hours or 1 hour 48 minutes.