Answer:
7y+4
Step-by-step explanation:
combine liked terms
Hi! For this question all you have to do is subtract 43 from 72.
72 - 43 = 29
Trina had 29 stamps left.
Hope this helps! Happy Thanksgiving!
Answer: i don't I'm sorry
Step-by-step explanation:
Formula of the area of triangle
A=(1/2)a*b*sin(C)
a, b - sides
C- an angle between sides a and b.
Probably, this question means that you need to know sin of the angle.