jade worked for $10.50 an hour. she saved $21 for every 8 hours she worked. what percentage of her wages did she save?

Agrain trader buys the following amounts from three suppliers: 3,200 pounds, 5,100 pounds and 700 pounds. what is the total weight of his purchase?

How do you create a data set with 8 points in it that has a mean of approximately 10 and a standard deviation of approximately 1?

Vinny is interviewing for a job.he wants his take home pay to be at least $42,000.what is the least salary he can earn if he pays 25% income tax?