Answer:
Step-by-step explanation:First one is 2
Answer:
C.
Step-by-step explanation:
3(2x + 1)=6x + 3
3*2x=6x, 3*1 = 3
so therefore 3(2x+1)=6x + 3
Answer:

Step-by-step explanation:
To use the least number of terms, simplify the expression. To simplify, distribute into the parenthesis and combine like terms.

Answer:
i think it is B
Step-by-step explanation:
because that one isn't really a rate as much as the other ones are, its more of a ratio, i'm bad at explaining things, hope its correct :D
Answer:
A: equiangular S: Right
Step-by-step explanation: