If there are 25 students in a class and 13 are girls, what is the ratio of boys to girls? is the relationship, part to part, part to whole or whole to part

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.

Rob spent 25%, percent more time on his research project than he had planned. he spent an extra h hours on the project. which of the following expressions could represent the number of hours rob actually spent on the project? two answers

What is the result of adding the system of equations? 2x+y=4 3x-y=6