Answer:
b = quantity of boards purchased
p = quantity of posts purchased
equation: 4b + 6p = 58
Step-by-step explanation:
Start with x^2 + y^2 = r^2, where r signifies radius. Subst. 0 for x and 9 for y:
0^2 + 9^2 = r^2. Therefore, r = 9.
The std eqn is x^2 + y^2 = 9^2. this is a special case of
(x-h)^2 + (y-k)^2 = r^2 and is appropriate because the origin is at (0,0).
Answer:
Communicative Property
Step-by-step explanation:
They switched around the numbers in the parenthesis without changing the value.
