Answer:
r= -6
Step-by-step explanation:
expand and get
5r+45-2+2r=1
7r+43=1
7r=1-43
7r=-42
r=-6
Answer:
Step-by-step explanation:

Answer:

Step-by-step explanation:
Assuming you want to solve
,

Answer:
Step-by-step explanation:
how many shapes of size A are in B ?
I counted 9.5
then just multiply the count * the size of A
got it?