You have to combine like terms, so 3b plus 2b equals 5b and you can't add b to 5a because they aren't defined, therefore th answer is 5a+b.
Answer:
Step-by-step explanation:
Product means multipulcation
So it must be 9c = 99
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Answer:</h2><h2>4x + 7y = 7</h2><h2 /><h2>Hope this helps!!</h2>
Noting that square A is a square, this is what we have:
A = B
A^2 = B x (B + 4) + 20
I can try subbing in A to B
since A = B:
A^2 = A x (A + 4) + 20
20 = A^2 - (A x (A + 4))
20 = A^2 - (A^2 + 4A)
20 = 4A
A = 5
By the way, A is width of square A and B is the width of rectangle B in my solution,
