Answer:

Step-by-step explanation:
Given
Represent point A as thus;

Required
Determine the new position of A, when rotated counterclockwise
The new position will be denoted as A'
When a point is rotated counterclockwise, we start by switching the positions of x and y as follows:

Then, y is negated to give A'

Simply add the two dosages together, (0.15+0.025) and the answer is 0.175 :)
ßœ446 d8 kœ ælæm æng ßægœ5
Oh how I miss the days when math was as simple as 2+2=4.
Educated guess here: By putting parentheses.
Answer:
Step-by-step explanation: