The speed limit was 30 mph, the city decided to raise the speed limit to 50 mph. Find the percent of change.​

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.

Agroup of randomly selected members of the foodies food club were asked to pick their favorite type of food. the bar graph below shows the results of the survey. there are 244 members in the foodies.

Afamily went out to dinner and their bill was $113.if they want to leave a 19% tip, how much should they leave.