The answer is b. There is a proof, but it is easily got by proving the other cases wrong.
Answer:
2x-2= -21
Step-by-step explanation:
the idea of showing that multiplying by 1 is true because as long as A and B follow the same ratio pattern (ie. 1n:2n is the same as 2n:4n) the statement will always be true
Answer:
C
Step-by-step explanation:
Domain of the function is the whole R
5+6.50+7.21=18.71 30-18.71=$11.29 left
