Answer:
1 
Step-by-step explanation:
5/3 = 3/3 * 2/3
3/3 = 1
So the answer is 1 
Answer:
x+5
Step-by-step explanation:
Since you don't know how much Joe weighs, you can express his weight as x. Then, you add on 5 because you have 5 more lbs than joe (which is x).
No,

is not a subspace of

. A simple counter-example to the contrary: let

with

. However, scaling by -1 gives the vector

and

.
The student made error in step 2 because negative multiplied by positive is negative. Also negative multiplied by negative is positive
I can only answer these 2 questions aight?
1.) Jake bought 4 gadgets.
2.) You bought 3 drinks in Kroger.