Hi so this I how I got my answer hope this helps
Okay dso if she got 15 points for 12 days then you would multiply them (or just add 15+15+15+15 and so on but multiplying is easier) then you are going to add 55 because of the thirteenth day.
15(12)=180
180+55=235 is how many you have.
now you are going to subtract 500 from that number to see how many more you need. :)
1)a^7/a^4
=a^[7-4]
=a³
2) r²s⁴t/r²st³
=s⁴-¹.t¹-³
=s³.t-²
=s³/t²
3)3x^6/18x
=x^5/6
We know that the area of a rectangle is A=L*W
A of Tara's bedroom,
A(Tara)=9*8=72 square feet
A(Jody)=7*10=70 square feet
Tara's bedroom has a greater area
