Answer:
-8x^2+26x-21
Step-by-step explanation:
Answer:
5 dollars , subtract
Step-by-step explanation:
Just substitute x = 2 and y = 5 into the equation wherever you see x and y.
2 + (12 - 5x) · 2y
2 + (12 - 5(2)) · 2(5)
2 + (2) · 10
4 · 10
40, is the answer which should be the first box.
The equation is 
Step-by-step explanation:
Let us revise how to make a variable subject of an equation
- Write the equation and circle the variable you want to make it subject
- Keep it in one side and move all other in the other side
- Make the coefficient of the subject 1
∵ A =
× b × h
∵ b is the subject
∴ Multiply the two sides by 2
∴ 2A = b × h
- Divide both sides by h
∴ 
- Switch the two sides
∴ 
The equation is 
Learn more:
You can learn more about the equations in brainly.com/question/10708697
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