Is a relation a function if it passes through the y-axis twice

80 points suppose marcy made 45 posts online. if 23 of them contained an image, what percent of her posts had images? round your answer to the nearest whole percent. 54 percent 51 percent 49 percent 48 percent

Which property was used to simplify the expression? 3c+9 +4c=3c+4c+9

Geometry - finding area of regular polygons and sectors (check my math, i can’t find the error)