I don't get what you are asking, please elaborate?
Answer:
7z + 84
Step-by-step explanation:
Multiply 7 times z and 12
Answer:
21 squares
Step-by-step explanation:
6+5+4+3+2+1=21
Answer:
7 x 10^-5
Step-by-step explanation:
0.00001 is 1 x 10^-5 so multiply that by 7
Answer:
It's already a rational number?
Step-by-step explanation:
A rational number is any number that can be written as a fraction/ratio, and is certainly a fraction. If you meant as a decimal, then it'd be 2.625.