True or False. (1 point) Is the expression 5x − 2(2x − 4) is equivalent to the expression 8 − x?

Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have left?

Thales was an ancient philosopher familiar with similar triangles. one story about him says that he found the height of a pyramid by measuring its shadow and his own shadow at the same time. if the person is 5-ft tall, what is the height of the pyramid in the drawing?

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.