The world record for the most number of push-ups in 60 seconds is 140 push-ups. If the record holder completed the push-ups at a constant ratio of seconds to push-ups, how many push-ups did he complete in 45 seconds?

Is trapezoid abdc the result of a dilation of trapezoid mnpq by a scale factor of ? why or why not? yes, because ab and cd are each the lengths mn and qp. yes, because sides ab and cd are parallel to sides mn and qp. no, because ab is the length mn but cd is the length qp. no, because sides ab and cd have different slopes from sides mn and qp.

The final cost of a sale is determined by multiplying the price on the tag by 75%. which best describes the function that represents the situation?

An investment decreases in value by 30% in the first year and decreases by 40% in the second year. what is the percent decrease in percentage in the investment after two years