Answer:
10y=27+7
10y=34
y=34/10
y=3.4
Step-by-step explanation:
Firstly 7 is added to 27
Then adding 7 and 27
Dividing 34 by 10
Answer:

Step-by-step explanation:
Given


Required
Determine the part left
The part left is calculated using:



Take LCM



In quadrant 2,
and
. Use the Pythagorean identity to establish that

Then

Answer:
7
Step-by-step explanation: