Aschool library spends $80 a month on magazines. the average price for magazines bought in january was 70 cents more than the average price in december. because of the price increase, the school library was forced to subscribe to 7 fewer magazines. how many magazines did the school library subscribe to in december?

13

step-by-step explanation:

169-1=168

168-3=165

165-5=160

160-7=153

153-9=144

144-11=133

133-13=120

120-15=105

105-17=88

88-19=69

69-21=48

48-23=25

25-25=0

since it took 13times to completely subtract it hence its square root is 13

just take the area of the square and then the area of the circle then subtract the circle area from the squares area

step-by-step explanation:

you didn't give me the choices, so i will just give you the graph so you can look at your choices and choose the right one.