Answer:
-13
Step-by-step explanation:
2
(-3)
-1
(-3)
-4
(-3)
-7
(-3)
-10
(-3)
?
?=-13
To find out how much he makes per week, take the amount and divide it by the week.
1520/4=380.
He makes 380 per week.
Answer:
(D) These two matrices cannot be added.
Step-by-step explanation:
Matrices of different shapes can't be added, but they can be multiplied. : ) Have a good day.
Answer: k=9
reasoning: just plug in 1 for x and 1 for y