The answer is a . hope it helps
Cuz she divided 23 and 8 and got 21 then she added 3+3= 6 + 4= 10
Dividing of cells a sample problems of geometric
progression. Given that the intial number of cells is 40, then it will double
every 20 minutes. Within 7 hours the cells will divide into w by 21 times. So the
number of cells after 7 hrs is 4,194,040 cells.
180/2=90 degree
180/3=60 degree
180/4=45 degree
True. ex. 2 x 8 =16 16/2 = 8
