Mr. seymour is setting up an experiment for his math class. he's going to have five groups in his class. he gives each group some rice. he has 4/7 cups of rice how much should be he give each group?

(98 points) i need with 5 questions. answer definitions are welcomed, but not necessary.

The area of a rectangle is 54x^9y^8 square yards.if the length of the rectangle is 6x^3y^4 yards,which expression represents the width of the rectangle in yards

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