Step-by-step explanation:
Given,

and

Substitute x = 2 into expression.

Answer:
-2
Step-by-step explanation:
3(a+1.5)=-1.5
a+1.5 = - 1.5/3 = - 0.5
a = - 0.5 - 1.5 = - 2
Answer:

Step-by-step explanation:
Add up all the sides to get the perimeter:

Answer:
96.04 ft
Step-by-step explanation:
nutiply 9. 8 by 9.8