Answer:
A matrix is a rectangular table of numbersVectors and matrices are arrays of numbers. The algebra for symbolic operations on them is different from the algebra for operations on scalars, or single numbers. ... It can be said that the matrix algebra notation is shorthand for the corresponding scalar longhand.
Answer:
49 +805=3,165
Step-by-step explanation:
answer
she will have to count
<span>3y+4-y=3
combine like terms
2y +4 = 3
subtract 4 on both sides
2y = -1
divide both sides by 2
y = -1/2</span>
Answer:
1750
Step-by-step explanation:
Earns per week: $560
Total sales per week: 
Weekly commission on sales: 0.08
Total Earning per week: 
Simplifying this inequality:
Her sales must be at least $1750.
