Mandy is setting up for a reception. for the number of seats needed, she knows she can use either 8 seats at each table with none leftover or 10 seats at each table with none left over. which is the least number of seats she is setting up?

a. 40
b. 20
c. 120
d. 80

How do you write something in scientific notation?

In stepmber, daniel and justin opened a business. during their first three months of business, their average monthly profit was $51. if during their first month, they lost $29, and during their second month, they gained $115, what was their profit or loss for their third plzzz i will give you 299 points

50 will mark show all use the linear combination method to solve the system of equations. explain each step of your solution. if steps are not explained, you will not receive credit for that step. 2x+9y= -26 -3x-7y=13