During a 10-day period an athlete's average resting heart rate after exercising was 58. The athlete's average heart rate during the first 4 days was 61. What was the average heart rate during the last 6 days?

80 points suppose marcy made 45 posts online. if 23 of them contained an image, what percent of her posts had images? round your answer to the nearest whole percent. 54 percent 51 percent 49 percent 48 percent

The triangles are similar. what is the value of x? enter your answer in the box.

Kelli swam upstream for some distance in a hour.she then swam downstream the same river for the same distance in only 6 minutes.if the river flows at 5km/hr, how fast can kelli swim in still water?