Answer:
C
Step-by-step explanation:
To answer a multiple choice question process of elimination can be very helpful
A isnt correct because CED is 90 degrees
B isnt correct since the line equals 180 degrees
C is correct because CED and AEC are a linear pair that add up to 180 degrees so if CED is 90 then so is AEC
Just divide the numbers by the totals to get the percentages
Simplifed: 2y^3+3y^2−6y+2
5050-3030=she needs 2020 markers.
2020/1010=2, so she needs to buy 2 more packs
