Your brother ordered some pens on the internet. it cost 2$ for each pen and the shipping fee is 3$. if your brother paid a total of 23$, how many pens did he buy

10pens

Step-by-step explanation:

23-3=20

20÷2=10

answer rather than having to add and subtract the measurements of the semi-circle, notice that the semicircle to the left of ad is actually identical in area to the blank semicircle-shaped space to the left of bc. so if we transferred the red semicircle into the blank space, we would end up with a square of side length 24 cm. the area of a square is s^2 = 24^2 = 676 cm^2.

u also answered this so i think u would know but i am here to

put in or use mine

the answer is a.

135 and 80

step-by-step explanation: