Answer:
find using calculator:)
Step-by-step explanation:
pie X (25 divided by 2) X (25 divided by 2) = answer
It’s A. $25.20
You find the rate you dividing the cost ($18) by how many gallons (5). Then you multiply by what you are looking for (7 gallons). You get 25.20.
Answer:
13) 10b^2a^4
14) -5y^3+35y^2-10y
Answer:
k = 8
Step-by-step explanation:
Given that y varies directly as x then the equation relating them is
y = kx ← k is the constant of variation
To find k use the condition y = 32 when x = 4, then
32 = 4k ( divide both sides by 4 )
8 = k