Um marceneiro está pregando uma tábua em um telhado, por descuido deixa-se cair o martelo de uma altura de 8 m gastando 1s para tocar o solo. determine a velocidade com que o martelo saiu da mão do marceneiro.

Adriana sold 50 shares of a company’s stock through a broker. the price per share on that day was $22.98. the broker charged her a 0.75% commission. what was adriana’s real return after deducting the broker’s commission? a. $8.62 b. $229.80 c. $1,140.38 d. $1,149.00

Aladder that is 20ft long is leaning against the side of a building. if the angle formed between the ladder and the ground is 75 degrees how far is the bottom of the from the base of the building?

Which expression is the factorization of x^2+10+21