Answer:
Step-by-step explanation:
Let c be the number.
We are asked to write an expression for given verbal description.
7 times the number c would be 
.
Two less than seven times a number means 2 subtracted from .
Two less than seven times a number c would be .
Therefore, our required expression would be .
Answer:
X=0
Step-by-step explanation:
Anything raised to the power of 0 is 1.
Answer:
21
Step-by-step explanation:
Multiplying both sides by 7, we get
The two 7s on the left cancel out to give 1, so
Please mark Brainliest if this helps!
Answer: 8.14
Step-by-step explanation:
For b, by moving coins the mode and median changes but only the mean doesn't change.
