What is 20% of 102.84

Aline has a slope of 1/4 and passes through point (0.4,-1/2). what is the value of the y-intercept?

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

8litres of paint can cover 129.6 m². how much paint is required to paint an area of 243m²?