Entre os 4 trinômios dados, há 2 que são quadrados perfeitos. Faça a fatoração deles.

A-) x²+ 16x + 64

B-) 4x² + 6xy - 8y

C-) 16x² + 8xy + 2y²

D-) 9x² + 12xy +4y²

Obs:

Por favor, me ajudem, estou tendo dificuldades com esta questão...

the equation cos(35) =a/25 can be used to find the length of bc what is the length of bc? round to the nearest tenth

step-by-step explanation:

there is no points to select.

step-by-step explanation:

answer:   expression= p+p*d%

price reduction + sale price = $625

sale price: $p+$p*d%

where d% is the percentage of discount

step-by-step explanation:

original price = p

price went down by $150 price reduction $p*d%

sale price= $ 475

therefore the price before sale is: $625

and the expression that shows the price before sale is: p+p*d%