Please help me i’ll give brainliest

Zahra runs a 500-meter race at a constant speed. which graph shows her distance from the finish line during the race?

What is the slope of any line parallel to the line 8x+9y=3 in the standard (x,y) coordinate plane?

Martha is training for a duathlon, which includes biking and running. she knows that yesterday she covered a total distance of over 55.5 miles in more than than 4.5 hours of training. martha runs at a speed of 6 mph and bikes at a rate of 15.5 mph.