PLZ HELP I NEED IT DUE TODAY PLZ BRAINLIEST AND GOOD RATING NICE PEOPLE ALL OF THE WORLD PLZ PLZ The quantities xxx and yyy are proportional. Find the constant of proportionality (r)(r)left parenthesis, r, right parenthesis in the equation y=rxy=rxy, equals, r, x.

which of the following sets of data would produce the largest value for an independent-measures t statistic? the two sample means are 10 and 20 with variances of 20 and 25 the two sample means are 10 and 20 with variances of 120 and 125 the two sample means are 10 and 12 with sample variances of 20 and 25 the two sample means are 10 and 12 with variances of 120 and 125

What is the value of x when x + 7 = 21?

Acircle has a circumference of 7.850 units. what is its radius?