The cost is what the manufacturer spends to make something
Step-by-step explanation:
I took a picture instead, i hope u don't mind
Answer:
21
Step-by-step explanation:
9+9=18
18+3=21
Answer:
y = 2x + 11
Step-by-step explanation:
Since Matrix A is added with Matrix B
then each component must be added to its corresponding component
a11+b11=0
a11=-b11
if
a11*b11=-16
then a11=+4 and b11=-4 or a11=-4 and b11=4
a11 is postive so our answer should be
a11=4 and b11=-4