60c+80=287
Let c stand for the cost of one square foot. with 60 square feet you get 60c. then add 80 for the installation fee.
I don't really get this question but simply put, if you are in college syntax matters very much. (13-4) = 9 *(x-5) = 9x-45.. although in this case. since there isn't a bracket around 13-4. you'd multiply by the -4 first, giving you, 4x-20+30 =4x-10
Answer:
A.
-19 9 7
[15 -7 6 ]
-2 1 1
Step-by-step explanation:
Answer:
Zero is a number that can be equal to its opposite.
So, the given equation has solution for which LHS=RHS=0.
Step-by-step explanation:
The answer to the equation is 2
Answer:
the answer is a rational number
