The magnitude of vector (-7,-5) =
=

<span>vector as the sum of unit vectors = -7 i - 5 j</span>
It’s going to be A. She was supposed to use distributive property
Answer: Number one would be 3x+2y+-14 and x+y=-4, second one is x=-3, y=7
Step-by-step explanation:
The first one is solved by inputting the x and y in each one and finding which one comes out true, the second on is solved by substitution. to find x you would subtract x in the first equation and make it y=4-x then input that equation in the y in the second equation.
Answer:
13/8 45/3/8 7 7/8
Step-by-step explanation: