Since Nancy has $400 dollars ans spends $20 each week. The word "Has" and "Spends" indicates the positive and the negative. so if we write the function rule saying f(d) then we should use it to our equation saying.
Answer:
f(d)=400-20d
Hope this helps! :)
Answer: -3
Step-by-step explanation:
1/64
4x4^3/4^7
4^-3
1/4^3
<u>1/64</u>
<u />
25
