Answer:
Yes.
Step-by-step explanation:
Yes. When we simplify 15n-8n, it equals 7n.
Answer:
7x65 is 455
Step-by-step explanation:
I need more info if this does not workout...
To find A' they used the rule of multiplication, which is:
the derivative of a product of two terms is the first term times the derivative of the second term plus the second term times the derivative of the first.
To find b' they just isolated b'
2
Because -
2 x 12=12
2 x 13 = 36
2 x 42 = 84