Answer:

Step-by-step explanation:
Sum of 15 and 6 = 15 + 6
Difference of 10 and 3 = 10 - 3
So, the expression is

This is the required expression.
Answer:
Step-by-step explanation:
-2(-1) + 7y = -54
2 + 7y = -54
-2 -2
7y = -56
Divide by 7
y = -8
Answer: X=15 , Y=15
Step-by-step explanation:
This triangle is a 30, 60, 90 so that means it would be - a, 2a, a
on each side, so add that all together and you get x-15 and y-15
Answer:
1/2 is your vertical asymptote