Integers were used in the 15th century by European traders to label barrels of grain or flour. For example, a barrel that was pound too heavy was labeled +1, and a barrel that was 1 pound too light was labeled -1. A trader checked twenty 50-pound barrels and found the labels to be: five -3s, nine-5s, two +4s, and four-8s. Find the actual total weight of the barrels.​

The nth term of a sequence in 2n-1 the nth term of a different sequence is 3n+1 work out 3 numbers that are in bothe sequences and are between 20 and 40

Which of the following domains provide a real value periods

The students at jefferson middle school are raising money for a charity by selling t-shirts and hats. the number of t-shirts sold was 3 times the number of hats. the profit was $5 for each t-shirt sold and $2.50 for each hat sold. the students raised $840 for the charity. they used the system below to analyze their success and found the solution to be (144, 48). 5x+2.50y=840 x=3y how much did they earn from t-shirt sales?