Find the sum of the first 6terms of the series 3-6+12-24+-65-64-62-63

Which expression is equivalent to 8(k + m) − 15(2k + 5m)?

Find the perimeter of the figure shown above. a. 40 cm c. 52 cm b. 60 cm d. 75 cm select the best answer from the choices provided

In right ∆abc shown below, the midpoint of hypotenuse ac is located at d and segment bd is drawn.if ab = 12 and bc = 16, then explain why bd = 10. hint: consider what you know about the diagonals of a rectangle.