Answer:
c.k¹¹
Step-by-step explanation:
Anything raised to the power of 0 is one so k^0=1
k^4k^7
Since they have the same base you can just add them
4+7=11
Answer:
90-15x
Step-by-step explanation:
x being the number of weeks
Okay so the value of X is 9x^2/7
Factoring completely you get: 3(3x-1)(2x+3)
The value that would make the ratios equal to 4 to 10... I believe it would be 2 to 5