15 miles per hour.
Divide the number of miles by the number of hours to get the miles per hour.
Answer:
3 months old
Step-by-step explanation:
9 months for birth
and then the other 3 months is the age.
Answer:
c=109.96
Step-by-step explanation:
Answer:
-7-(-4)= -3
Step-by-step explanation:
Subtracting a negative number from a negative number – a minus sign followed by a negative sign, turns the two signs into a plus sign. So, instead of subtracting a negative, you are adding a positive.
Answer:

Step-by-step explanation:
Given



Required
Determine the coordinates of the centroid
Represent the coordinates with C.
C is calculated as follows:

Substitute values of x and y in the given equation



<em>The above is the coordinate of the centroid</em>