Write the following fractions as divisions and hence as whole numbers: a. 15/3 b. 21/21 c. 81/9 d. 0/5 Will mark correct brainliest and please answer all :)

With these: 18/36 = 1/? missing number change 1 5/8 to improper fraction. change 19/5 to a mixed number.

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

In the diagram, ab is tangent to c, ab = 4 inches, and ad = 2 inches. find the radius of the circle.