Answer:
I don't know the answer
Step-by-step explanation:
it's hard solve it for me
11 nCr 3 plugged in a calculator will equal 165 Combinations/Positions
Answer:
I think you should try the method of substitution???
7/y....the coefficient of y is 1
any time u have a variable by itself, whether it is x or y or any letter, the coefficient is gonna be 1
Answer:

Step-by-step explanation:
First transpose 3x
you are having 3x+4y=7
by transposing you will get
4y=-3x+7
divide by 4 throughout by making y subject of the formula you will find your equation as y=mx+c.