5x(2y-3)-(y+8)=13 I believe this is correct
Check whether it is possible to have a triangle with the given side lengths for example 7,9,13 then add any two sides and see if it is greater than the other side. Example the sum of 7 and 9 is 16 and 16 is greater than 13
(a) If

is the mass (in mg) remaining after

years, then


(b)

(c)
Answer:
- 5 °F/h
Step-by-step explanation:
the constant rate = slope = rise / run = -5/1 = - 5 °F/h