Iwill give 50 points for this answer find the value of r for the data below electricity use per person (kwh) proverty rate (%) angola 248 43.4 brazil 2384 6.1 china 2944 11.8 colombia 1012 8.2 india 616 32.7 nepal 93 24.8 poland 3783 0.1 senegal 195 29.6 does this dara have a positive or negative correlation? is the data strong, moderate, or weak?

Anew obstacle course is home to several new types of challenging obstacles. one such obstacle is traversing a 15-stair staircase. to make it more challenging, the stairs are not uniformly spaced. rather, the vertical space between consecutive stairs for the first 10 stairs is 113 feet and the vertical space for the last 5 stairs is 134 feet. what is the total vertical distance traveled ascending and descending the entire 15-stair staircase?