What is the last digit of the product of the sum and the difference of the smallest 2005 digit number and the greatest 2004 digit number? please help me I'm so confused.​

Haley buys 9 pounds of apples for $3. how many pounds of apples can she buy for $1?

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

Angela took a general public aptitude test and scored in the 88th percentile for aptitude in accounting. what percentage of the scores were at or below her score?