Answer:
(a) The product of the sum of a and b and their difference.

(b) The tripled product of 6a and b².

(c) The difference of the squares of 2m and 7n.

Answer: 
Step-by-step explanation:
For it to bisect the segment, we need to find the midpoint.
The midpoint is
.
Now, for it to be perpendicular, we need to use the fact that perpendicular lines have slopes that are negative reciprocals of each other.
The slope of the given segment is
, so the slope of the perpendicular bisector is 6.
Thus, the equation of the line in point-slope form is 
Answer:
-7b+3
Step-by-step explanation:
first step you will find numbers if you take -2.2 to get those numbers
Answer: $3.22
Step-by-step explanation:
We will start by doing 38.64 divided by 12
Then we will get the answer 3.22.
$3.22 is the answer.
Answer:
1 Spanish 90%
2.French 37%
3. Chinese 18%
Step-by-step explanation:
9/10 .......... 90/100 ........... 90%
37%.................. 37%
9/50............. 18/100 .......... 18%