Answer:
increase
Step-by-step explanation:
11.61 was added to 27
Answer:

• Group the h terms by organised term arrangement :

• Then using distributive property, factorise out the value h so that the reverse is true.

• for the variable "lw", divide it by h in order to add it to the bracket of (w + l). Make sure the reverse is true:

• finally, completely factorise out the value h

Answer:
(A)74
Explanation:
Let her average score on the last two tests = x.
The six scores will now be: 82,78,87,73, x and x.
Since the average score for her first six chemistry tests = 78

We then solve for x.

Her average score for the last two tests is 74.
Answer:
7.5
Step-by-step explanation:
10x + 8x + 6x = 180°
24x = 180°
x = 180°÷24
× = 7.5
The correct answer would be about 11.923