Given the system of equations, what is the value of the y-determinant? 3x + y - 10 = 0 4x - y - 4 = 0 -28 -14 28

The last time i bought this product , it cost $20.00 but it looks like it cost 29. 60 today? what is the increase

Michelle had a birthday party. she bought a bag of candy with 96 starbursts, 72 hershey's, and 68 reese's. she wants to use all the candy she bought to make goody bags with the same amount of starbursts, hershey's and reese's in each bag. what is the largest number of bags she can make?

What is the number 321,000,000 in scientific notation? also what is the number? ?