Answer: The process of combining matrices, vectors, or other quantities under specific rules to obtain their product.
Answer:
It is 12.9, 13.1, 13.2 C.
Step-by-step explanation:

First, simplify

to

/ Your problem should look like:
Second, multiply both sides by 36. / Your problem should look like:
Third, multiply both sides by -1. / Your problem should look like:
Fourth, switch your sides. / Your problem should look like:

Answer:
C) 21
Answer:
5 Hours
Step-by-step explanation:
He’s going 63 MPH
441/7 = 63 MPH
315/63 = 5 Hours
1)
x+10<-7
bring 10 to the other side
x<-10-7
x<-17
2)
-3x-4>5
bring -4 to the other side
-3x>9
divide -3 at the other side, since it is negative it changes to less than
x<-3